Home / 126,764.10-174,926.48-74,391.30

Finding the Fourth Proportional to 126,764.10, 174,926.48 and 74,391.30

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Solution

The fourth proportional to 126,764.10, 174,926.48 and 74,391.30 is: 102,655.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,764.10 : 174,926.48 = 74,391.30 : x
  2. Step 2: Convert to fraction form
    126,764.10/174,926.48 = 74,391.30/x
  3. Step 3: Cross multiply
    126,764.10x = 174,926.48 × 74,391.30
  4. Step 4: Simplify right side
    126,764.10x = 13,013,008,251.62
  5. Step 5: Solve for x
    x = 13,013,008,251.62/126,764.10
  6. Step 6: Final answer
    x = 102,655.31

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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.