Home / 199,123.15-298,192.65-132,200.95

Finding the Fourth Proportional to 199,123.15, 298,192.65 and 132,200.95

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Solution

The fourth proportional to 199,123.15, 298,192.65 and 132,200.95 is: 197,974.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,123.15 : 298,192.65 = 132,200.95 : x
  2. Step 2: Convert to fraction form
    199,123.15/298,192.65 = 132,200.95/x
  3. Step 3: Cross multiply
    199,123.15x = 298,192.65 × 132,200.95
  4. Step 4: Simplify right side
    199,123.15x = 39,421,351,613.02
  5. Step 5: Solve for x
    x = 39,421,351,613.02/199,123.15
  6. Step 6: Final answer
    x = 197,974.73

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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.