Home / 131,123.30-196,684.95-48,049.70

Finding the Fourth Proportional to 131,123.30, 196,684.95 and 48,049.70

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Solution

The fourth proportional to 131,123.30, 196,684.95 and 48,049.70 is: 72,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,123.30 : 196,684.95 = 48,049.70 : x
  2. Step 2: Convert to fraction form
    131,123.30/196,684.95 = 48,049.70/x
  3. Step 3: Cross multiply
    131,123.30x = 196,684.95 × 48,049.70
  4. Step 4: Simplify right side
    131,123.30x = 9,450,652,842.02
  5. Step 5: Solve for x
    x = 9,450,652,842.02/131,123.30
  6. Step 6: Final answer
    x = 72,074.55

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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.