Home / 132,788.52-183,250.22-72,359.15

Finding the Fourth Proportional to 132,788.52, 183,250.22 and 72,359.15

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Solution

The fourth proportional to 132,788.52, 183,250.22 and 72,359.15 is: 99,856.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,788.52 : 183,250.22 = 72,359.15 : x
  2. Step 2: Convert to fraction form
    132,788.52/183,250.22 = 72,359.15/x
  3. Step 3: Cross multiply
    132,788.52x = 183,250.22 × 72,359.15
  4. Step 4: Simplify right side
    132,788.52x = 13,259,828,878.47
  5. Step 5: Solve for x
    x = 13,259,828,878.47/132,788.52
  6. Step 6: Final answer
    x = 99,856.74

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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.