Home / 111,207.30-166,422.15-101,876.10

Finding the Fourth Proportional to 111,207.30, 166,422.15 and 101,876.10

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Solution

The fourth proportional to 111,207.30, 166,422.15 and 101,876.10 is: 152,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,207.30 : 166,422.15 = 101,876.10 : x
  2. Step 2: Convert to fraction form
    111,207.30/166,422.15 = 101,876.10/x
  3. Step 3: Cross multiply
    111,207.30x = 166,422.15 × 101,876.10
  4. Step 4: Simplify right side
    111,207.30x = 16,954,439,595.62
  5. Step 5: Solve for x
    x = 16,954,439,595.62/111,207.30
  6. Step 6: Final answer
    x = 152,457.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.