Home / 127,739.58-176,282.33-71,150.96

Finding the Fourth Proportional to 127,739.58, 176,282.33 and 71,150.96

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Solution

The fourth proportional to 127,739.58, 176,282.33 and 71,150.96 is: 98,189.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,739.58 : 176,282.33 = 71,150.96 : x
  2. Step 2: Convert to fraction form
    127,739.58/176,282.33 = 71,150.96/x
  3. Step 3: Cross multiply
    127,739.58x = 176,282.33 × 71,150.96
  4. Step 4: Simplify right side
    127,739.58x = 12,542,655,773.37
  5. Step 5: Solve for x
    x = 12,542,655,773.37/127,739.58
  6. Step 6: Final answer
    x = 98,189.27

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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.