Home / 129,559.44-194,365.28-54,679.66

Finding the Fourth Proportional to 129,559.44, 194,365.28 and 54,679.66

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Solution

The fourth proportional to 129,559.44, 194,365.28 and 54,679.66 is: 82,030.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,559.44 : 194,365.28 = 54,679.66 : x
  2. Step 2: Convert to fraction form
    129,559.44/194,365.28 = 54,679.66/x
  3. Step 3: Cross multiply
    129,559.44x = 194,365.28 × 54,679.66
  4. Step 4: Simplify right side
    129,559.44x = 10,627,827,426.20
  5. Step 5: Solve for x
    x = 10,627,827,426.20/129,559.44
  6. Step 6: Final answer
    x = 82,030.51

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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.