Home / 126,215.95-189,452.30-63,081.37

Finding the Fourth Proportional to 126,215.95, 189,452.30 and 63,081.37

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Solution

The fourth proportional to 126,215.95, 189,452.30 and 63,081.37 is: 94,686.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,215.95 : 189,452.30 = 63,081.37 : x
  2. Step 2: Convert to fraction form
    126,215.95/189,452.30 = 63,081.37/x
  3. Step 3: Cross multiply
    126,215.95x = 189,452.30 × 63,081.37
  4. Step 4: Simplify right side
    126,215.95x = 11,950,910,633.65
  5. Step 5: Solve for x
    x = 11,950,910,633.65/126,215.95
  6. Step 6: Final answer
    x = 94,686.22

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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.