Home / 132,141.68-182,364.50-74,781.04

Finding the Fourth Proportional to 132,141.68, 182,364.50 and 74,781.04

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Solution

The fourth proportional to 132,141.68, 182,364.50 and 74,781.04 is: 103,202.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,141.68 : 182,364.50 = 74,781.04 : x
  2. Step 2: Convert to fraction form
    132,141.68/182,364.50 = 74,781.04/x
  3. Step 3: Cross multiply
    132,141.68x = 182,364.50 × 74,781.04
  4. Step 4: Simplify right side
    132,141.68x = 13,637,406,969.08
  5. Step 5: Solve for x
    x = 13,637,406,969.08/132,141.68
  6. Step 6: Final answer
    x = 103,202.92

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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.