Home / 121,661.50-182,492.14-88,591.92

Finding the Fourth Proportional to 121,661.50, 182,492.14 and 88,591.92

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Solution

The fourth proportional to 121,661.50, 182,492.14 and 88,591.92 is: 132,887.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,661.50 : 182,492.14 = 88,591.92 : x
  2. Step 2: Convert to fraction form
    121,661.50/182,492.14 = 88,591.92/x
  3. Step 3: Cross multiply
    121,661.50x = 182,492.14 × 88,591.92
  4. Step 4: Simplify right side
    121,661.50x = 16,167,329,067.51
  5. Step 5: Solve for x
    x = 16,167,329,067.51/121,661.50
  6. Step 6: Final answer
    x = 132,887.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.