Home / 132,565.75-182,910.43-75,191.36

Finding the Fourth Proportional to 132,565.75, 182,910.43 and 75,191.36

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Solution

The fourth proportional to 132,565.75, 182,910.43 and 75,191.36 is: 103,746.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,565.75 : 182,910.43 = 75,191.36 : x
  2. Step 2: Convert to fraction form
    132,565.75/182,910.43 = 75,191.36/x
  3. Step 3: Cross multiply
    132,565.75x = 182,910.43 × 75,191.36
  4. Step 4: Simplify right side
    132,565.75x = 13,753,283,989.88
  5. Step 5: Solve for x
    x = 13,753,283,989.88/132,565.75
  6. Step 6: Final answer
    x = 103,746.89

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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.