Home / 130,600.40-195,974.42-55,713.47

Finding the Fourth Proportional to 130,600.40, 195,974.42 and 55,713.47

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Solution

The fourth proportional to 130,600.40, 195,974.42 and 55,713.47 is: 83,601.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,600.40 : 195,974.42 = 55,713.47 : x
  2. Step 2: Convert to fraction form
    130,600.40/195,974.42 = 55,713.47/x
  3. Step 3: Cross multiply
    130,600.40x = 195,974.42 × 55,713.47
  4. Step 4: Simplify right side
    130,600.40x = 10,918,413,711.00
  5. Step 5: Solve for x
    x = 10,918,413,711.00/130,600.40
  6. Step 6: Final answer
    x = 83,601.69

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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.