Home / 220,454.04-304,136.04-143,946.72

Finding the Fourth Proportional to 220,454.04, 304,136.04 and 143,946.72

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Solution

The fourth proportional to 220,454.04, 304,136.04 and 143,946.72 is: 198,587.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,454.04 : 304,136.04 = 143,946.72 : x
  2. Step 2: Convert to fraction form
    220,454.04/304,136.04 = 143,946.72/x
  3. Step 3: Cross multiply
    220,454.04x = 304,136.04 × 143,946.72
  4. Step 4: Simplify right side
    220,454.04x = 43,779,385,391.79
  5. Step 5: Solve for x
    x = 43,779,385,391.79/220,454.04
  6. Step 6: Final answer
    x = 198,587.36

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.