Home / 132,550.46-198,750.40-90,481.49

Finding the Fourth Proportional to 132,550.46, 198,750.40 and 90,481.49

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Solution

The fourth proportional to 132,550.46, 198,750.40 and 90,481.49 is: 135,670.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,550.46 : 198,750.40 = 90,481.49 : x
  2. Step 2: Convert to fraction form
    132,550.46/198,750.40 = 90,481.49/x
  3. Step 3: Cross multiply
    132,550.46x = 198,750.40 × 90,481.49
  4. Step 4: Simplify right side
    132,550.46x = 17,983,232,600.77
  5. Step 5: Solve for x
    x = 17,983,232,600.77/132,550.46
  6. Step 6: Final answer
    x = 135,670.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.