Home / 132,565.97-182,941.38-72,136.59

Finding the Fourth Proportional to 132,565.97, 182,941.38 and 72,136.59

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Solution

The fourth proportional to 132,565.97, 182,941.38 and 72,136.59 is: 99,548.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,565.97 : 182,941.38 = 72,136.59 : x
  2. Step 2: Convert to fraction form
    132,565.97/182,941.38 = 72,136.59/x
  3. Step 3: Cross multiply
    132,565.97x = 182,941.38 × 72,136.59
  4. Step 4: Simplify right side
    132,565.97x = 13,196,767,323.09
  5. Step 5: Solve for x
    x = 13,196,767,323.09/132,565.97
  6. Step 6: Final answer
    x = 99,548.68

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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.