Home / 132,436.85-198,780.12-48,278.35

Finding the Fourth Proportional to 132,436.85, 198,780.12 and 48,278.35

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Solution

The fourth proportional to 132,436.85, 198,780.12 and 48,278.35 is: 72,463.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,436.85 : 198,780.12 = 48,278.35 : x
  2. Step 2: Convert to fraction form
    132,436.85/198,780.12 = 48,278.35/x
  3. Step 3: Cross multiply
    132,436.85x = 198,780.12 × 48,278.35
  4. Step 4: Simplify right side
    132,436.85x = 9,596,775,709.45
  5. Step 5: Solve for x
    x = 9,596,775,709.45/132,436.85
  6. Step 6: Final answer
    x = 72,463.03

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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.