Home / 127,517.60-176,008.08-89,808.80

Finding the Fourth Proportional to 127,517.60, 176,008.08 and 89,808.80

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Solution

The fourth proportional to 127,517.60, 176,008.08 and 89,808.80 is: 123,959.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,517.60 : 176,008.08 = 89,808.80 : x
  2. Step 2: Convert to fraction form
    127,517.60/176,008.08 = 89,808.80/x
  3. Step 3: Cross multiply
    127,517.60x = 176,008.08 × 89,808.80
  4. Step 4: Simplify right side
    127,517.60x = 15,807,074,455.10
  5. Step 5: Solve for x
    x = 15,807,074,455.10/127,517.60
  6. Step 6: Final answer
    x = 123,959.94

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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.