Home / 129,245.28-193,867.98-40,505.69

Finding the Fourth Proportional to 129,245.28, 193,867.98 and 40,505.69

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Solution

The fourth proportional to 129,245.28, 193,867.98 and 40,505.69 is: 60,758.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,245.28 : 193,867.98 = 40,505.69 : x
  2. Step 2: Convert to fraction form
    129,245.28/193,867.98 = 40,505.69/x
  3. Step 3: Cross multiply
    129,245.28x = 193,867.98 × 40,505.69
  4. Step 4: Simplify right side
    129,245.28x = 7,852,756,298.81
  5. Step 5: Solve for x
    x = 7,852,756,298.81/129,245.28
  6. Step 6: Final answer
    x = 60,758.55

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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.