Home / 130,979.52-196,568.16-104,997.92

Finding the Fourth Proportional to 130,979.52, 196,568.16 and 104,997.92

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Solution

The fourth proportional to 130,979.52, 196,568.16 and 104,997.92 is: 157,576.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,979.52 : 196,568.16 = 104,997.92 : x
  2. Step 2: Convert to fraction form
    130,979.52/196,568.16 = 104,997.92/x
  3. Step 3: Cross multiply
    130,979.52x = 196,568.16 × 104,997.92
  4. Step 4: Simplify right side
    130,979.52x = 20,639,247,938.23
  5. Step 5: Solve for x
    x = 20,639,247,938.23/130,979.52
  6. Step 6: Final answer
    x = 157,576.15

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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.