Home / 127,759.60-176,313.56-71,170.96

Finding the Fourth Proportional to 127,759.60, 176,313.56 and 71,170.96

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Solution

The fourth proportional to 127,759.60, 176,313.56 and 71,170.96 is: 98,218.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,759.60 : 176,313.56 = 71,170.96 : x
  2. Step 2: Convert to fraction form
    127,759.60/176,313.56 = 71,170.96/x
  3. Step 3: Cross multiply
    127,759.60x = 176,313.56 × 71,170.96
  4. Step 4: Simplify right side
    127,759.60x = 12,548,405,326.22
  5. Step 5: Solve for x
    x = 12,548,405,326.22/127,759.60
  6. Step 6: Final answer
    x = 98,218.88

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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.