Home / 127,760.76-176,313.11-71,173.35

Finding the Fourth Proportional to 127,760.76, 176,313.11 and 71,173.35

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Solution

The fourth proportional to 127,760.76, 176,313.11 and 71,173.35 is: 98,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,760.76 : 176,313.11 = 71,173.35 : x
  2. Step 2: Convert to fraction form
    127,760.76/176,313.11 = 71,173.35/x
  3. Step 3: Cross multiply
    127,760.76x = 176,313.11 × 71,173.35
  4. Step 4: Simplify right side
    127,760.76x = 12,548,794,331.75
  5. Step 5: Solve for x
    x = 12,548,794,331.75/127,760.76
  6. Step 6: Final answer
    x = 98,221.04

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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.