Home / 127,753.20-176,290.92-76,768.02

Finding the Fourth Proportional to 127,753.20, 176,290.92 and 76,768.02

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Solution

The fourth proportional to 127,753.20, 176,290.92 and 76,768.02 is: 105,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,753.20 : 176,290.92 = 76,768.02 : x
  2. Step 2: Convert to fraction form
    127,753.20/176,290.92 = 76,768.02/x
  3. Step 3: Cross multiply
    127,753.20x = 176,290.92 × 76,768.02
  4. Step 4: Simplify right side
    127,753.20x = 13,533,504,872.38
  5. Step 5: Solve for x
    x = 13,533,504,872.38/127,753.20
  6. Step 6: Final answer
    x = 105,934.76

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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.