Home / 121,348.17-182,104.20-42,463.08

Finding the Fourth Proportional to 121,348.17, 182,104.20 and 42,463.08

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Solution

The fourth proportional to 121,348.17, 182,104.20 and 42,463.08 is: 63,723.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,348.17 : 182,104.20 = 42,463.08 : x
  2. Step 2: Convert to fraction form
    121,348.17/182,104.20 = 42,463.08/x
  3. Step 3: Cross multiply
    121,348.17x = 182,104.20 × 42,463.08
  4. Step 4: Simplify right side
    121,348.17x = 7,732,705,212.94
  5. Step 5: Solve for x
    x = 7,732,705,212.94/121,348.17
  6. Step 6: Final answer
    x = 63,723.29

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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.