Home / 127,920.25-176,533.59-71,335.27

Finding the Fourth Proportional to 127,920.25, 176,533.59 and 71,335.27

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Solution

The fourth proportional to 127,920.25, 176,533.59 and 71,335.27 is: 98,444.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,920.25 : 176,533.59 = 71,335.27 : x
  2. Step 2: Convert to fraction form
    127,920.25/176,533.59 = 71,335.27/x
  3. Step 3: Cross multiply
    127,920.25x = 176,533.59 × 71,335.27
  4. Step 4: Simplify right side
    127,920.25x = 12,593,071,306.72
  5. Step 5: Solve for x
    x = 12,593,071,306.72/127,920.25
  6. Step 6: Final answer
    x = 98,444.71

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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.