Home / 159,817.57-220,631.17-116,748.70

Finding the Fourth Proportional to 159,817.57, 220,631.17 and 116,748.70

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Solution

The fourth proportional to 159,817.57, 220,631.17 and 116,748.70 is: 161,173.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,817.57 : 220,631.17 = 116,748.70 : x
  2. Step 2: Convert to fraction form
    159,817.57/220,631.17 = 116,748.70/x
  3. Step 3: Cross multiply
    159,817.57x = 220,631.17 × 116,748.70
  4. Step 4: Simplify right side
    159,817.57x = 25,758,402,276.98
  5. Step 5: Solve for x
    x = 25,758,402,276.98/159,817.57
  6. Step 6: Final answer
    x = 161,173.78

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1.5x scale

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.