Home / 130,552.19-195,838.66-55,672.97

Finding the Fourth Proportional to 130,552.19, 195,838.66 and 55,672.97

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Solution

The fourth proportional to 130,552.19, 195,838.66 and 55,672.97 is: 83,513.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,552.19 : 195,838.66 = 55,672.97 : x
  2. Step 2: Convert to fraction form
    130,552.19/195,838.66 = 55,672.97/x
  3. Step 3: Cross multiply
    130,552.19x = 195,838.66 × 55,672.97
  4. Step 4: Simplify right side
    130,552.19x = 10,902,919,843.02
  5. Step 5: Solve for x
    x = 10,902,919,843.02/130,552.19
  6. Step 6: Final answer
    x = 83,513.88

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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.