Home / 136,496.68-204,785.66-98,631.52

Finding the Fourth Proportional to 136,496.68, 204,785.66 and 98,631.52

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Solution

The fourth proportional to 136,496.68, 204,785.66 and 98,631.52 is: 147,976.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,496.68 : 204,785.66 = 98,631.52 : x
  2. Step 2: Convert to fraction form
    136,496.68/204,785.66 = 98,631.52/x
  3. Step 3: Cross multiply
    136,496.68x = 204,785.66 × 98,631.52
  4. Step 4: Simplify right side
    136,496.68x = 20,198,320,920.00
  5. Step 5: Solve for x
    x = 20,198,320,920.00/136,496.68
  6. Step 6: Final answer
    x = 147,976.65

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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.