Home / 157,800.33-236,773.68-69,042.15

Finding the Fourth Proportional to 157,800.33, 236,773.68 and 69,042.15

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Solution

The fourth proportional to 157,800.33, 236,773.68 and 69,042.15 is: 103,595.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,800.33 : 236,773.68 = 69,042.15 : x
  2. Step 2: Convert to fraction form
    157,800.33/236,773.68 = 69,042.15/x
  3. Step 3: Cross multiply
    157,800.33x = 236,773.68 × 69,042.15
  4. Step 4: Simplify right side
    157,800.33x = 16,347,363,930.61
  5. Step 5: Solve for x
    x = 16,347,363,930.61/157,800.33
  6. Step 6: Final answer
    x = 103,595.25

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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.