Home / 129,320.56-193,766.28-45,036.16

Finding the Fourth Proportional to 129,320.56, 193,766.28 and 45,036.16

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Solution

The fourth proportional to 129,320.56, 193,766.28 and 45,036.16 is: 67,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,320.56 : 193,766.28 = 45,036.16 : x
  2. Step 2: Convert to fraction form
    129,320.56/193,766.28 = 45,036.16/x
  3. Step 3: Cross multiply
    129,320.56x = 193,766.28 × 45,036.16
  4. Step 4: Simplify right side
    129,320.56x = 8,726,489,188.68
  5. Step 5: Solve for x
    x = 8,726,489,188.68/129,320.56
  6. Step 6: Final answer
    x = 67,479.52

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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.