Home / 127,806.68-176,373.92-74,123.53

Finding the Fourth Proportional to 127,806.68, 176,373.92 and 74,123.53

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Solution

The fourth proportional to 127,806.68, 176,373.92 and 74,123.53 is: 102,290.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,806.68 : 176,373.92 = 74,123.53 : x
  2. Step 2: Convert to fraction form
    127,806.68/176,373.92 = 74,123.53/x
  3. Step 3: Cross multiply
    127,806.68x = 176,373.92 × 74,123.53
  4. Step 4: Simplify right side
    127,806.68x = 13,073,457,294.71
  5. Step 5: Solve for x
    x = 13,073,457,294.71/127,806.68
  6. Step 6: Final answer
    x = 102,290.87

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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.