Home / 132,122.61-182,327.76-71,694.59

Finding the Fourth Proportional to 132,122.61, 182,327.76 and 71,694.59

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Solution

The fourth proportional to 132,122.61, 182,327.76 and 71,694.59 is: 98,937.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,122.61 : 182,327.76 = 71,694.59 : x
  2. Step 2: Convert to fraction form
    132,122.61/182,327.76 = 71,694.59/x
  3. Step 3: Cross multiply
    132,122.61x = 182,327.76 × 71,694.59
  4. Step 4: Simplify right side
    132,122.61x = 13,071,913,087.18
  5. Step 5: Solve for x
    x = 13,071,913,087.18/132,122.61
  6. Step 6: Final answer
    x = 98,937.74

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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.