Home / 115,443.32-159,217.62-96,976.04

Finding the Fourth Proportional to 115,443.32, 159,217.62 and 96,976.04

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Solution

The fourth proportional to 115,443.32, 159,217.62 and 96,976.04 is: 133,747.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,443.32 : 159,217.62 = 96,976.04 : x
  2. Step 2: Convert to fraction form
    115,443.32/159,217.62 = 96,976.04/x
  3. Step 3: Cross multiply
    115,443.32x = 159,217.62 × 96,976.04
  4. Step 4: Simplify right side
    115,443.32x = 15,440,294,285.82
  5. Step 5: Solve for x
    x = 15,440,294,285.82/115,443.32
  6. Step 6: Final answer
    x = 133,747.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.