Home / 256,793.28-354,385.31-142,070.10

Finding the Fourth Proportional to 256,793.28, 354,385.31 and 142,070.10

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Solution

The fourth proportional to 256,793.28, 354,385.31 and 142,070.10 is: 196,062.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,793.28 : 354,385.31 = 142,070.10 : x
  2. Step 2: Convert to fraction form
    256,793.28/354,385.31 = 142,070.10/x
  3. Step 3: Cross multiply
    256,793.28x = 354,385.31 × 142,070.10
  4. Step 4: Simplify right side
    256,793.28x = 50,347,555,719.88
  5. Step 5: Solve for x
    x = 50,347,555,719.88/256,793.28
  6. Step 6: Final answer
    x = 196,062.59

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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.