Home / 215,818.60-323,764.90-66,055.18

Finding the Fourth Proportional to 215,818.60, 323,764.90 and 66,055.18

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Solution

The fourth proportional to 215,818.60, 323,764.90 and 66,055.18 is: 99,094.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,818.60 : 323,764.90 = 66,055.18 : x
  2. Step 2: Convert to fraction form
    215,818.60/323,764.90 = 66,055.18/x
  3. Step 3: Cross multiply
    215,818.60x = 323,764.90 × 66,055.18
  4. Step 4: Simplify right side
    215,818.60x = 21,386,348,747.18
  5. Step 5: Solve for x
    x = 21,386,348,747.18/215,818.60
  6. Step 6: Final answer
    x = 99,094.09

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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.