Home / 125,610.68-172,836.27-122,621.33

Finding the Fourth Proportional to 125,610.68, 172,836.27 and 122,621.33

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Solution

The fourth proportional to 125,610.68, 172,836.27 and 122,621.33 is: 168,723.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,610.68 : 172,836.27 = 122,621.33 : x
  2. Step 2: Convert to fraction form
    125,610.68/172,836.27 = 122,621.33/x
  3. Step 3: Cross multiply
    125,610.68x = 172,836.27 × 122,621.33
  4. Step 4: Simplify right side
    125,610.68x = 21,193,412,435.46
  5. Step 5: Solve for x
    x = 21,193,412,435.46/125,610.68
  6. Step 6: Final answer
    x = 168,723.02

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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.