Home / 129,812.04-194,650.20-58,673.52

Finding the Fourth Proportional to 129,812.04, 194,650.20 and 58,673.52

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Solution

The fourth proportional to 129,812.04, 194,650.20 and 58,673.52 is: 87,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,812.04 : 194,650.20 = 58,673.52 : x
  2. Step 2: Convert to fraction form
    129,812.04/194,650.20 = 58,673.52/x
  3. Step 3: Cross multiply
    129,812.04x = 194,650.20 × 58,673.52
  4. Step 4: Simplify right side
    129,812.04x = 11,420,812,402.70
  5. Step 5: Solve for x
    x = 11,420,812,402.70/129,812.04
  6. Step 6: Final answer
    x = 87,979.61

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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.