Home / 218,933.85-328,414.65-92,557.47

Finding the Fourth Proportional to 218,933.85, 328,414.65 and 92,557.47

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Solution

The fourth proportional to 218,933.85, 328,414.65 and 92,557.47 is: 138,842.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,933.85 : 328,414.65 = 92,557.47 : x
  2. Step 2: Convert to fraction form
    218,933.85/328,414.65 = 92,557.47/x
  3. Step 3: Cross multiply
    218,933.85x = 328,414.65 × 92,557.47
  4. Step 4: Simplify right side
    218,933.85x = 30,397,229,114.94
  5. Step 5: Solve for x
    x = 30,397,229,114.94/218,933.85
  6. Step 6: Final answer
    x = 138,842.07

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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.