Home / 116,251.76-160,476.18-78,577.04

Finding the Fourth Proportional to 116,251.76, 160,476.18 and 78,577.04

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Solution

The fourth proportional to 116,251.76, 160,476.18 and 78,577.04 is: 108,469.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,251.76 : 160,476.18 = 78,577.04 : x
  2. Step 2: Convert to fraction form
    116,251.76/160,476.18 = 78,577.04/x
  3. Step 3: Cross multiply
    116,251.76x = 160,476.18 × 78,577.04
  4. Step 4: Simplify right side
    116,251.76x = 12,609,743,214.91
  5. Step 5: Solve for x
    x = 12,609,743,214.91/116,251.76
  6. Step 6: Final answer
    x = 108,469.27

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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.