Home / 140,471.28-193,761.72-98,014.32

Finding the Fourth Proportional to 140,471.28, 193,761.72 and 98,014.32

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Solution

The fourth proportional to 140,471.28, 193,761.72 and 98,014.32 is: 135,197.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,471.28 : 193,761.72 = 98,014.32 : x
  2. Step 2: Convert to fraction form
    140,471.28/193,761.72 = 98,014.32/x
  3. Step 3: Cross multiply
    140,471.28x = 193,761.72 × 98,014.32
  4. Step 4: Simplify right side
    140,471.28x = 18,991,423,227.83
  5. Step 5: Solve for x
    x = 18,991,423,227.83/140,471.28
  6. Step 6: Final answer
    x = 135,197.91

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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.