Home / 130,257.92-195,401.20-41,490.72

Finding the Fourth Proportional to 130,257.92, 195,401.20 and 41,490.72

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Solution

The fourth proportional to 130,257.92, 195,401.20 and 41,490.72 is: 62,240.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,257.92 : 195,401.20 = 41,490.72 : x
  2. Step 2: Convert to fraction form
    130,257.92/195,401.20 = 41,490.72/x
  3. Step 3: Cross multiply
    130,257.92x = 195,401.20 × 41,490.72
  4. Step 4: Simplify right side
    130,257.92x = 8,107,336,476.86
  5. Step 5: Solve for x
    x = 8,107,336,476.86/130,257.92
  6. Step 6: Final answer
    x = 62,240.64

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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.