Home / 116,937.28-161,373.12-63,221.92

Finding the Fourth Proportional to 116,937.28, 161,373.12 and 63,221.92

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Solution

The fourth proportional to 116,937.28, 161,373.12 and 63,221.92 is: 87,246.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,937.28 : 161,373.12 = 63,221.92 : x
  2. Step 2: Convert to fraction form
    116,937.28/161,373.12 = 63,221.92/x
  3. Step 3: Cross multiply
    116,937.28x = 161,373.12 × 63,221.92
  4. Step 4: Simplify right side
    116,937.28x = 10,202,318,482.79
  5. Step 5: Solve for x
    x = 10,202,318,482.79/116,937.28
  6. Step 6: Final answer
    x = 87,246.07

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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.