Home / 127,942.48-176,560.28-71,353.92

Finding the Fourth Proportional to 127,942.48, 176,560.28 and 71,353.92

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Solution

The fourth proportional to 127,942.48, 176,560.28 and 71,353.92 is: 98,468.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,942.48 : 176,560.28 = 71,353.92 : x
  2. Step 2: Convert to fraction form
    127,942.48/176,560.28 = 71,353.92/x
  3. Step 3: Cross multiply
    127,942.48x = 176,560.28 × 71,353.92
  4. Step 4: Simplify right side
    127,942.48x = 12,598,268,094.30
  5. Step 5: Solve for x
    x = 12,598,268,094.30/127,942.48
  6. Step 6: Final answer
    x = 98,468.22

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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.