Home / 130,718.92-196,078.62-55,776.04

Finding the Fourth Proportional to 130,718.92, 196,078.62 and 55,776.04

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Solution

The fourth proportional to 130,718.92, 196,078.62 and 55,776.04 is: 83,664.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,718.92 : 196,078.62 = 55,776.04 : x
  2. Step 2: Convert to fraction form
    130,718.92/196,078.62 = 55,776.04/x
  3. Step 3: Cross multiply
    130,718.92x = 196,078.62 × 55,776.04
  4. Step 4: Simplify right side
    130,718.92x = 10,936,488,952.26
  5. Step 5: Solve for x
    x = 10,936,488,952.26/130,718.92
  6. Step 6: Final answer
    x = 83,664.16

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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.