Home / 126,343.20-174,353.67-69,754.98

Finding the Fourth Proportional to 126,343.20, 174,353.67 and 69,754.98

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Solution

The fourth proportional to 126,343.20, 174,353.67 and 69,754.98 is: 96,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,343.20 : 174,353.67 = 69,754.98 : x
  2. Step 2: Convert to fraction form
    126,343.20/174,353.67 = 69,754.98/x
  3. Step 3: Cross multiply
    126,343.20x = 174,353.67 × 69,754.98
  4. Step 4: Simplify right side
    126,343.20x = 12,162,036,763.78
  5. Step 5: Solve for x
    x = 12,162,036,763.78/126,343.20
  6. Step 6: Final answer
    x = 96,261.90

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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.