Home / 130,179.20-195,294.92-55,298.75

Finding the Fourth Proportional to 130,179.20, 195,294.92 and 55,298.75

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Solution

The fourth proportional to 130,179.20, 195,294.92 and 55,298.75 is: 82,959.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,179.20 : 195,294.92 = 55,298.75 : x
  2. Step 2: Convert to fraction form
    130,179.20/195,294.92 = 55,298.75/x
  3. Step 3: Cross multiply
    130,179.20x = 195,294.92 × 55,298.75
  4. Step 4: Simplify right side
    130,179.20x = 10,799,563,704.38
  5. Step 5: Solve for x
    x = 10,799,563,704.38/130,179.20
  6. Step 6: Final answer
    x = 82,959.21

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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.