Home / 157,787.12-217,754.39-96,514.10

Finding the Fourth Proportional to 157,787.12, 217,754.39 and 96,514.10

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Solution

The fourth proportional to 157,787.12, 217,754.39 and 96,514.10 is: 133,194.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,787.12 : 217,754.39 = 96,514.10 : x
  2. Step 2: Convert to fraction form
    157,787.12/217,754.39 = 96,514.10/x
  3. Step 3: Cross multiply
    157,787.12x = 217,754.39 × 96,514.10
  4. Step 4: Simplify right side
    157,787.12x = 21,016,368,489.33
  5. Step 5: Solve for x
    x = 21,016,368,489.33/157,787.12
  6. Step 6: Final answer
    x = 133,194.45

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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.