Home / 132,160.53-182,381.70-71,731.16

Finding the Fourth Proportional to 132,160.53, 182,381.70 and 71,731.16

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Solution

The fourth proportional to 132,160.53, 182,381.70 and 71,731.16 is: 98,989.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,160.53 : 182,381.70 = 71,731.16 : x
  2. Step 2: Convert to fraction form
    132,160.53/182,381.70 = 71,731.16/x
  3. Step 3: Cross multiply
    132,160.53x = 182,381.70 × 71,731.16
  4. Step 4: Simplify right side
    132,160.53x = 13,082,449,991.86
  5. Step 5: Solve for x
    x = 13,082,449,991.86/132,160.53
  6. Step 6: Final answer
    x = 98,989.09

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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.