Home / 224,519.60-309,841.56-123,917.36

Finding the Fourth Proportional to 224,519.60, 309,841.56 and 123,917.36

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Solution

The fourth proportional to 224,519.60, 309,841.56 and 123,917.36 is: 171,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,519.60 : 309,841.56 = 123,917.36 : x
  2. Step 2: Convert to fraction form
    224,519.60/309,841.56 = 123,917.36/x
  3. Step 3: Cross multiply
    224,519.60x = 309,841.56 × 123,917.36
  4. Step 4: Simplify right side
    224,519.60x = 38,394,748,133.48
  5. Step 5: Solve for x
    x = 38,394,748,133.48/224,519.60
  6. Step 6: Final answer
    x = 171,008.45

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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.