Home / 129,602.45-194,250.92-58,441.76

Finding the Fourth Proportional to 129,602.45, 194,250.92 and 58,441.76

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Solution

The fourth proportional to 129,602.45, 194,250.92 and 58,441.76 is: 87,593.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,602.45 : 194,250.92 = 58,441.76 : x
  2. Step 2: Convert to fraction form
    129,602.45/194,250.92 = 58,441.76/x
  3. Step 3: Cross multiply
    129,602.45x = 194,250.92 × 58,441.76
  4. Step 4: Simplify right side
    129,602.45x = 11,352,364,382.96
  5. Step 5: Solve for x
    x = 11,352,364,382.96/129,602.45
  6. Step 6: Final answer
    x = 87,593.75

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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.