Home / 132,565.70-182,937.69-72,136.51

Finding the Fourth Proportional to 132,565.70, 182,937.69 and 72,136.51

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Solution

The fourth proportional to 132,565.70, 182,937.69 and 72,136.51 is: 99,546.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,565.70 : 182,937.69 = 72,136.51 : x
  2. Step 2: Convert to fraction form
    132,565.70/182,937.69 = 72,136.51/x
  3. Step 3: Cross multiply
    132,565.70x = 182,937.69 × 72,136.51
  4. Step 4: Simplify right side
    132,565.70x = 13,196,486,046.72
  5. Step 5: Solve for x
    x = 13,196,486,046.72/132,565.70
  6. Step 6: Final answer
    x = 99,546.76

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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.