Home / 117,742.20-176,321.70-94,414.20

Finding the Fourth Proportional to 117,742.20, 176,321.70 and 94,414.20

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Solution

The fourth proportional to 117,742.20, 176,321.70 and 94,414.20 is: 141,387.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,742.20 : 176,321.70 = 94,414.20 : x
  2. Step 2: Convert to fraction form
    117,742.20/176,321.70 = 94,414.20/x
  3. Step 3: Cross multiply
    117,742.20x = 176,321.70 × 94,414.20
  4. Step 4: Simplify right side
    117,742.20x = 16,647,272,248.14
  5. Step 5: Solve for x
    x = 16,647,272,248.14/117,742.20
  6. Step 6: Final answer
    x = 141,387.47

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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.