Home / 127,768.25-176,323.68-71,179.62

Finding the Fourth Proportional to 127,768.25, 176,323.68 and 71,179.62

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Solution

The fourth proportional to 127,768.25, 176,323.68 and 71,179.62 is: 98,229.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,768.25 : 176,323.68 = 71,179.62 : x
  2. Step 2: Convert to fraction form
    127,768.25/176,323.68 = 71,179.62/x
  3. Step 3: Cross multiply
    127,768.25x = 176,323.68 × 71,179.62
  4. Step 4: Simplify right side
    127,768.25x = 12,550,652,539.40
  5. Step 5: Solve for x
    x = 12,550,652,539.40/127,768.25
  6. Step 6: Final answer
    x = 98,229.83

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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.