Home / 127,921.62-176,532.24-71,336.64

Finding the Fourth Proportional to 127,921.62, 176,532.24 and 71,336.64

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Solution

The fourth proportional to 127,921.62, 176,532.24 and 71,336.64 is: 98,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,921.62 : 176,532.24 = 71,336.64 : x
  2. Step 2: Convert to fraction form
    127,921.62/176,532.24 = 71,336.64/x
  3. Step 3: Cross multiply
    127,921.62x = 176,532.24 × 71,336.64
  4. Step 4: Simplify right side
    127,921.62x = 12,593,216,853.27
  5. Step 5: Solve for x
    x = 12,593,216,853.27/127,921.62
  6. Step 6: Final answer
    x = 98,444.79

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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.