Home / 166,384.18-229,657.28-98,424.78

Finding the Fourth Proportional to 166,384.18, 229,657.28 and 98,424.78

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Solution

The fourth proportional to 166,384.18, 229,657.28 and 98,424.78 is: 135,854.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,384.18 : 229,657.28 = 98,424.78 : x
  2. Step 2: Convert to fraction form
    166,384.18/229,657.28 = 98,424.78/x
  3. Step 3: Cross multiply
    166,384.18x = 229,657.28 × 98,424.78
  4. Step 4: Simplify right side
    166,384.18x = 22,603,966,551.97
  5. Step 5: Solve for x
    x = 22,603,966,551.97/166,384.18
  6. Step 6: Final answer
    x = 135,854.06

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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.