Home / 149,727.20-206,573.94-98,765.24

Finding the Fourth Proportional to 149,727.20, 206,573.94 and 98,765.24

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Solution

The fourth proportional to 149,727.20, 206,573.94 and 98,765.24 is: 136,263.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,727.20 : 206,573.94 = 98,765.24 : x
  2. Step 2: Convert to fraction form
    149,727.20/206,573.94 = 98,765.24/x
  3. Step 3: Cross multiply
    149,727.20x = 206,573.94 × 98,765.24
  4. Step 4: Simplify right side
    149,727.20x = 20,402,324,761.85
  5. Step 5: Solve for x
    x = 20,402,324,761.85/149,727.20
  6. Step 6: Final answer
    x = 136,263.32

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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.