Home / 126,115.15-188,705.45-101,079.27

Finding the Fourth Proportional to 126,115.15, 188,705.45 and 101,079.27

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Solution

The fourth proportional to 126,115.15, 188,705.45 and 101,079.27 is: 151,244.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,115.15 : 188,705.45 = 101,079.27 : x
  2. Step 2: Convert to fraction form
    126,115.15/188,705.45 = 101,079.27/x
  3. Step 3: Cross multiply
    126,115.15x = 188,705.45 × 101,079.27
  4. Step 4: Simplify right side
    126,115.15x = 19,074,209,131.02
  5. Step 5: Solve for x
    x = 19,074,209,131.02/126,115.15
  6. Step 6: Final answer
    x = 151,244.39

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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.