Home / 231,517.28-347,039.11-156,645.33

Finding the Fourth Proportional to 231,517.28, 347,039.11 and 156,645.33

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Solution

The fourth proportional to 231,517.28, 347,039.11 and 156,645.33 is: 234,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,517.28 : 347,039.11 = 156,645.33 : x
  2. Step 2: Convert to fraction form
    231,517.28/347,039.11 = 156,645.33/x
  3. Step 3: Cross multiply
    231,517.28x = 347,039.11 × 156,645.33
  4. Step 4: Simplify right side
    231,517.28x = 54,362,055,908.86
  5. Step 5: Solve for x
    x = 54,362,055,908.86/231,517.28
  6. Step 6: Final answer
    x = 234,807.77

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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.