Home / 126,480.03-189,700.88-47,575.77

Finding the Fourth Proportional to 126,480.03, 189,700.88 and 47,575.77

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Solution

The fourth proportional to 126,480.03, 189,700.88 and 47,575.77 is: 71,356.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,480.03 : 189,700.88 = 47,575.77 : x
  2. Step 2: Convert to fraction form
    126,480.03/189,700.88 = 47,575.77/x
  3. Step 3: Cross multiply
    126,480.03x = 189,700.88 × 47,575.77
  4. Step 4: Simplify right side
    126,480.03x = 9,025,165,197.80
  5. Step 5: Solve for x
    x = 9,025,165,197.80/126,480.03
  6. Step 6: Final answer
    x = 71,356.44

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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.