Home / 132,331.08-198,495-62,160.78

Finding the Fourth Proportional to 132,331.08, 198,495 and 62,160.78

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Solution

The fourth proportional to 132,331.08, 198,495 and 62,160.78 is: 93,240.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,331.08 : 198,495 = 62,160.78 : x
  2. Step 2: Convert to fraction form
    132,331.08/198,495 = 62,160.78/x
  3. Step 3: Cross multiply
    132,331.08x = 198,495 × 62,160.78
  4. Step 4: Simplify right side
    132,331.08x = 12,338,604,026.10
  5. Step 5: Solve for x
    x = 12,338,604,026.10/132,331.08
  6. Step 6: Final answer
    x = 93,240.41

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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.