Home / 231,513.28-347,033.12-156,641.33

Finding the Fourth Proportional to 231,513.28, 347,033.12 and 156,641.33

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Solution

The fourth proportional to 231,513.28, 347,033.12 and 156,641.33 is: 234,801.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,513.28 : 347,033.12 = 156,641.33 : x
  2. Step 2: Convert to fraction form
    231,513.28/347,033.12 = 156,641.33/x
  3. Step 3: Cross multiply
    231,513.28x = 347,033.12 × 156,641.33
  4. Step 4: Simplify right side
    231,513.28x = 54,359,729,555.23
  5. Step 5: Solve for x
    x = 54,359,729,555.23/231,513.28
  6. Step 6: Final answer
    x = 234,801.78

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1.5x scale

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.