Home / 126,064.90-189,134.38-37,320.71

Finding the Fourth Proportional to 126,064.90, 189,134.38 and 37,320.71

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Solution

The fourth proportional to 126,064.90, 189,134.38 and 37,320.71 is: 55,992.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,064.90 : 189,134.38 = 37,320.71 : x
  2. Step 2: Convert to fraction form
    126,064.90/189,134.38 = 37,320.71/x
  3. Step 3: Cross multiply
    126,064.90x = 189,134.38 × 37,320.71
  4. Step 4: Simplify right side
    126,064.90x = 7,058,628,214.73
  5. Step 5: Solve for x
    x = 7,058,628,214.73/126,064.90
  6. Step 6: Final answer
    x = 55,992.02

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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.