Home / 126,311.03-174,309.19-69,722.39

Finding the Fourth Proportional to 126,311.03, 174,309.19 and 69,722.39

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Solution

The fourth proportional to 126,311.03, 174,309.19 and 69,722.39 is: 96,216.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,311.03 : 174,309.19 = 69,722.39 : x
  2. Step 2: Convert to fraction form
    126,311.03/174,309.19 = 69,722.39/x
  3. Step 3: Cross multiply
    126,311.03x = 174,309.19 × 69,722.39
  4. Step 4: Simplify right side
    126,311.03x = 12,153,253,325.76
  5. Step 5: Solve for x
    x = 12,153,253,325.76/126,311.03
  6. Step 6: Final answer
    x = 96,216.88

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1.5x scale

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.