Home / 227,520.28-313,986.54-126,937.72

Finding the Fourth Proportional to 227,520.28, 313,986.54 and 126,937.72

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Solution

The fourth proportional to 227,520.28, 313,986.54 and 126,937.72 is: 175,178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,520.28 : 313,986.54 = 126,937.72 : x
  2. Step 2: Convert to fraction form
    227,520.28/313,986.54 = 126,937.72/x
  3. Step 3: Cross multiply
    227,520.28x = 313,986.54 × 126,937.72
  4. Step 4: Simplify right side
    227,520.28x = 39,856,735,498.29
  5. Step 5: Solve for x
    x = 39,856,735,498.29/227,520.28
  6. Step 6: Final answer
    x = 175,178.83

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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.