Home / 166,405.91-229,660.38-93,822.78

Finding the Fourth Proportional to 166,405.91, 229,660.38 and 93,822.78

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Solution

The fourth proportional to 166,405.91, 229,660.38 and 93,822.78 is: 129,486.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,405.91 : 229,660.38 = 93,822.78 : x
  2. Step 2: Convert to fraction form
    166,405.91/229,660.38 = 93,822.78/x
  3. Step 3: Cross multiply
    166,405.91x = 229,660.38 × 93,822.78
  4. Step 4: Simplify right side
    166,405.91x = 21,547,375,126.95
  5. Step 5: Solve for x
    x = 21,547,375,126.95/166,405.91
  6. Step 6: Final answer
    x = 129,486.84

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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.