Home / 126,275.52-174,261.20-68,915.28

Finding the Fourth Proportional to 126,275.52, 174,261.20 and 68,915.28

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Solution

The fourth proportional to 126,275.52, 174,261.20 and 68,915.28 is: 95,103.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,275.52 : 174,261.20 = 68,915.28 : x
  2. Step 2: Convert to fraction form
    126,275.52/174,261.20 = 68,915.28/x
  3. Step 3: Cross multiply
    126,275.52x = 174,261.20 × 68,915.28
  4. Step 4: Simplify right side
    126,275.52x = 12,009,259,391.14
  5. Step 5: Solve for x
    x = 12,009,259,391.14/126,275.52
  6. Step 6: Final answer
    x = 95,103.62

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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.