Home / 147,337.20-220,422.60-127,832.40

Finding the Fourth Proportional to 147,337.20, 220,422.60 and 127,832.40

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Solution

The fourth proportional to 147,337.20, 220,422.60 and 127,832.40 is: 191,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,337.20 : 220,422.60 = 127,832.40 : x
  2. Step 2: Convert to fraction form
    147,337.20/220,422.60 = 127,832.40/x
  3. Step 3: Cross multiply
    147,337.20x = 220,422.60 × 127,832.40
  4. Step 4: Simplify right side
    147,337.20x = 28,177,149,972.24
  5. Step 5: Solve for x
    x = 28,177,149,972.24/147,337.20
  6. Step 6: Final answer
    x = 191,242.61

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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.