Home / 130,409.28-195,540.48-41,641.92

Finding the Fourth Proportional to 130,409.28, 195,540.48 and 41,641.92

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Solution

The fourth proportional to 130,409.28, 195,540.48 and 41,641.92 is: 62,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,409.28 : 195,540.48 = 41,641.92 : x
  2. Step 2: Convert to fraction form
    130,409.28/195,540.48 = 41,641.92/x
  3. Step 3: Cross multiply
    130,409.28x = 195,540.48 × 41,641.92
  4. Step 4: Simplify right side
    130,409.28x = 8,142,681,024.92
  5. Step 5: Solve for x
    x = 8,142,681,024.92/130,409.28
  6. Step 6: Final answer
    x = 62,439.43

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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.