Home / 127,614.20-176,105.84-71,025.60

Finding the Fourth Proportional to 127,614.20, 176,105.84 and 71,025.60

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Solution

The fourth proportional to 127,614.20, 176,105.84 and 71,025.60 is: 98,014.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,614.20 : 176,105.84 = 71,025.60 : x
  2. Step 2: Convert to fraction form
    127,614.20/176,105.84 = 71,025.60/x
  3. Step 3: Cross multiply
    127,614.20x = 176,105.84 × 71,025.60
  4. Step 4: Simplify right side
    127,614.20x = 12,508,022,949.50
  5. Step 5: Solve for x
    x = 12,508,022,949.50/127,614.20
  6. Step 6: Final answer
    x = 98,014.35

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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.