Home / 134,757.18-185,965.79-74,329.46

Finding the Fourth Proportional to 134,757.18, 185,965.79 and 74,329.46

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Solution

The fourth proportional to 134,757.18, 185,965.79 and 74,329.46 is: 102,575.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,757.18 : 185,965.79 = 74,329.46 : x
  2. Step 2: Convert to fraction form
    134,757.18/185,965.79 = 74,329.46/x
  3. Step 3: Cross multiply
    134,757.18x = 185,965.79 × 74,329.46
  4. Step 4: Simplify right side
    134,757.18x = 13,822,735,447.70
  5. Step 5: Solve for x
    x = 13,822,735,447.70/134,757.18
  6. Step 6: Final answer
    x = 102,575.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.