Home / 126,703.28-174,822.62-75,708.38

Finding the Fourth Proportional to 126,703.28, 174,822.62 and 75,708.38

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Solution

The fourth proportional to 126,703.28, 174,822.62 and 75,708.38 is: 104,460.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,703.28 : 174,822.62 = 75,708.38 : x
  2. Step 2: Convert to fraction form
    126,703.28/174,822.62 = 75,708.38/x
  3. Step 3: Cross multiply
    126,703.28x = 174,822.62 × 75,708.38
  4. Step 4: Simplify right side
    126,703.28x = 13,235,536,094.90
  5. Step 5: Solve for x
    x = 13,235,536,094.90/126,703.28
  6. Step 6: Final answer
    x = 104,460.88

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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.