Home / 132,575.16-182,951.82-72,959.16

Finding the Fourth Proportional to 132,575.16, 182,951.82 and 72,959.16

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Solution

The fourth proportional to 132,575.16, 182,951.82 and 72,959.16 is: 100,682.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,575.16 : 182,951.82 = 72,959.16 : x
  2. Step 2: Convert to fraction form
    132,575.16/182,951.82 = 72,959.16/x
  3. Step 3: Cross multiply
    132,575.16x = 182,951.82 × 72,959.16
  4. Step 4: Simplify right side
    132,575.16x = 13,348,011,107.67
  5. Step 5: Solve for x
    x = 13,348,011,107.67/132,575.16
  6. Step 6: Final answer
    x = 100,682.59

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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.