Home / 198,521.76-273,960.06-109,097.76

Finding the Fourth Proportional to 198,521.76, 273,960.06 and 109,097.76

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Solution

The fourth proportional to 198,521.76, 273,960.06 and 109,097.76 is: 150,554.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,521.76 : 273,960.06 = 109,097.76 : x
  2. Step 2: Convert to fraction form
    198,521.76/273,960.06 = 109,097.76/x
  3. Step 3: Cross multiply
    198,521.76x = 273,960.06 × 109,097.76
  4. Step 4: Simplify right side
    198,521.76x = 29,888,428,875.47
  5. Step 5: Solve for x
    x = 29,888,428,875.47/198,521.76
  6. Step 6: Final answer
    x = 150,554.93

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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.