Home / 166,439.61-229,690.74-101,029.17

Finding the Fourth Proportional to 166,439.61, 229,690.74 and 101,029.17

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Solution

The fourth proportional to 166,439.61, 229,690.74 and 101,029.17 is: 139,422.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,439.61 : 229,690.74 = 101,029.17 : x
  2. Step 2: Convert to fraction form
    166,439.61/229,690.74 = 101,029.17/x
  3. Step 3: Cross multiply
    166,439.61x = 229,690.74 × 101,029.17
  4. Step 4: Simplify right side
    166,439.61x = 23,205,465,490.80
  5. Step 5: Solve for x
    x = 23,205,465,490.80/166,439.61
  6. Step 6: Final answer
    x = 139,422.73

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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.