Home / 224,505.76-309,819.60-122,531.92

Finding the Fourth Proportional to 224,505.76, 309,819.60 and 122,531.92

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Solution

The fourth proportional to 224,505.76, 309,819.60 and 122,531.92 is: 169,094.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,505.76 : 309,819.60 = 122,531.92 : x
  2. Step 2: Convert to fraction form
    224,505.76/309,819.60 = 122,531.92/x
  3. Step 3: Cross multiply
    224,505.76x = 309,819.60 × 122,531.92
  4. Step 4: Simplify right side
    224,505.76x = 37,962,790,441.63
  5. Step 5: Solve for x
    x = 37,962,790,441.63/224,505.76
  6. Step 6: Final answer
    x = 169,094.95

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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.