Home / 141,419.57-212,151.22-88,070.74

Finding the Fourth Proportional to 141,419.57, 212,151.22 and 88,070.74

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Solution

The fourth proportional to 141,419.57, 212,151.22 and 88,070.74 is: 132,119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,419.57 : 212,151.22 = 88,070.74 : x
  2. Step 2: Convert to fraction form
    141,419.57/212,151.22 = 88,070.74/x
  3. Step 3: Cross multiply
    141,419.57x = 212,151.22 × 88,070.74
  4. Step 4: Simplify right side
    141,419.57x = 18,684,314,186.75
  5. Step 5: Solve for x
    x = 18,684,314,186.75/141,419.57
  6. Step 6: Final answer
    x = 132,119.73

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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.