Home / 141,490.28-212,237.76-113,279.60

Finding the Fourth Proportional to 141,490.28, 212,237.76 and 113,279.60

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Solution

The fourth proportional to 141,490.28, 212,237.76 and 113,279.60 is: 169,921.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,490.28 : 212,237.76 = 113,279.60 : x
  2. Step 2: Convert to fraction form
    141,490.28/212,237.76 = 113,279.60/x
  3. Step 3: Cross multiply
    141,490.28x = 212,237.76 × 113,279.60
  4. Step 4: Simplify right side
    141,490.28x = 24,042,208,557.70
  5. Step 5: Solve for x
    x = 24,042,208,557.70/141,490.28
  6. Step 6: Final answer
    x = 169,921.27

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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.