Home / 626,521.02-939,781.56-153,200.76

Finding the Fourth Proportional to 626,521.02, 939,781.56 and 153,200.76

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Solution

The fourth proportional to 626,521.02, 939,781.56 and 153,200.76 is: 229,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,521.02 : 939,781.56 = 153,200.76 : x
  2. Step 2: Convert to fraction form
    626,521.02/939,781.56 = 153,200.76/x
  3. Step 3: Cross multiply
    626,521.02x = 939,781.56 × 153,200.76
  4. Step 4: Simplify right side
    626,521.02x = 143,975,249,225.99
  5. Step 5: Solve for x
    x = 143,975,249,225.99/626,521.02
  6. Step 6: Final answer
    x = 229,801.15

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.