Home / 203,191.46-280,541.22-126,826.88

Finding the Fourth Proportional to 203,191.46, 280,541.22 and 126,826.88

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Solution

The fourth proportional to 203,191.46, 280,541.22 and 126,826.88 is: 175,106.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,191.46 : 280,541.22 = 126,826.88 : x
  2. Step 2: Convert to fraction form
    203,191.46/280,541.22 = 126,826.88/x
  3. Step 3: Cross multiply
    203,191.46x = 280,541.22 × 126,826.88
  4. Step 4: Simplify right side
    203,191.46x = 35,580,167,643.99
  5. Step 5: Solve for x
    x = 35,580,167,643.99/203,191.46
  6. Step 6: Final answer
    x = 175,106.61

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1.5x scale

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.