Home / 198,014.04-273,162.78-113,108.76

Finding the Fourth Proportional to 198,014.04, 273,162.78 and 113,108.76

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Solution

The fourth proportional to 198,014.04, 273,162.78 and 113,108.76 is: 156,034.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,014.04 : 273,162.78 = 113,108.76 : x
  2. Step 2: Convert to fraction form
    198,014.04/273,162.78 = 113,108.76/x
  3. Step 3: Cross multiply
    198,014.04x = 273,162.78 × 113,108.76
  4. Step 4: Simplify right side
    198,014.04x = 30,897,103,323.95
  5. Step 5: Solve for x
    x = 30,897,103,323.95/198,014.04
  6. Step 6: Final answer
    x = 156,034.91

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1.5x scale

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.