Home / 159,454.08-220,056.10-91,470.60

Finding the Fourth Proportional to 159,454.08, 220,056.10 and 91,470.60

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Solution

The fourth proportional to 159,454.08, 220,056.10 and 91,470.60 is: 126,234.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,454.08 : 220,056.10 = 91,470.60 : x
  2. Step 2: Convert to fraction form
    159,454.08/220,056.10 = 91,470.60/x
  3. Step 3: Cross multiply
    159,454.08x = 220,056.10 × 91,470.60
  4. Step 4: Simplify right side
    159,454.08x = 20,128,663,500.66
  5. Step 5: Solve for x
    x = 20,128,663,500.66/159,454.08
  6. Step 6: Final answer
    x = 126,234.86

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1.5x scale

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.