Home / 126,520.02-189,780.03-33,025.86

Finding the Fourth Proportional to 126,520.02, 189,780.03 and 33,025.86

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Solution

The fourth proportional to 126,520.02, 189,780.03 and 33,025.86 is: 49,538.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,520.02 : 189,780.03 = 33,025.86 : x
  2. Step 2: Convert to fraction form
    126,520.02/189,780.03 = 33,025.86/x
  3. Step 3: Cross multiply
    126,520.02x = 189,780.03 × 33,025.86
  4. Step 4: Simplify right side
    126,520.02x = 6,267,648,701.58
  5. Step 5: Solve for x
    x = 6,267,648,701.58/126,520.02
  6. Step 6: Final answer
    x = 49,538.79

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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.