Home / 157,786.62-217,753.70-96,513.60

Finding the Fourth Proportional to 157,786.62, 217,753.70 and 96,513.60

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Solution

The fourth proportional to 157,786.62, 217,753.70 and 96,513.60 is: 133,193.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,786.62 : 217,753.70 = 96,513.60 : x
  2. Step 2: Convert to fraction form
    157,786.62/217,753.70 = 96,513.60/x
  3. Step 3: Cross multiply
    157,786.62x = 217,753.70 × 96,513.60
  4. Step 4: Simplify right side
    157,786.62x = 21,016,193,017.75
  5. Step 5: Solve for x
    x = 21,016,193,017.75/157,786.62
  6. Step 6: Final answer
    x = 133,193.76

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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.