Home / 220,324.83-330,385.18-178,101.15

Finding the Fourth Proportional to 220,324.83, 330,385.18 and 178,101.15

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Solution

The fourth proportional to 220,324.83, 330,385.18 and 178,101.15 is: 267,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,324.83 : 330,385.18 = 178,101.15 : x
  2. Step 2: Convert to fraction form
    220,324.83/330,385.18 = 178,101.15/x
  3. Step 3: Cross multiply
    220,324.83x = 330,385.18 × 178,101.15
  4. Step 4: Simplify right side
    220,324.83x = 58,841,980,500.96
  5. Step 5: Solve for x
    x = 58,841,980,500.96/220,324.83
  6. Step 6: Final answer
    x = 267,069.22

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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.