Home / 127,625.13-176,115.78-70,253.28

Finding the Fourth Proportional to 127,625.13, 176,115.78 and 70,253.28

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Solution

The fourth proportional to 127,625.13, 176,115.78 and 70,253.28 is: 96,945.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,625.13 : 176,115.78 = 70,253.28 : x
  2. Step 2: Convert to fraction form
    127,625.13/176,115.78 = 70,253.28/x
  3. Step 3: Cross multiply
    127,625.13x = 176,115.78 × 70,253.28
  4. Step 4: Simplify right side
    127,625.13x = 12,372,711,204.76
  5. Step 5: Solve for x
    x = 12,372,711,204.76/127,625.13
  6. Step 6: Final answer
    x = 96,945.73

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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.