Home / 129,308.28-193,969.71-40,559.82

Finding the Fourth Proportional to 129,308.28, 193,969.71 and 40,559.82

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Solution

The fourth proportional to 129,308.28, 193,969.71 and 40,559.82 is: 60,842.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,308.28 : 193,969.71 = 40,559.82 : x
  2. Step 2: Convert to fraction form
    129,308.28/193,969.71 = 40,559.82/x
  3. Step 3: Cross multiply
    129,308.28x = 193,969.71 × 40,559.82
  4. Step 4: Simplify right side
    129,308.28x = 7,867,376,523.05
  5. Step 5: Solve for x
    x = 7,867,376,523.05/129,308.28
  6. Step 6: Final answer
    x = 60,842.02

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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.