Home / 198,737.71-274,261.56-108,095.65

Finding the Fourth Proportional to 198,737.71, 274,261.56 and 108,095.65

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Solution

The fourth proportional to 198,737.71, 274,261.56 and 108,095.65 is: 149,173.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,737.71 : 274,261.56 = 108,095.65 : x
  2. Step 2: Convert to fraction form
    198,737.71/274,261.56 = 108,095.65/x
  3. Step 3: Cross multiply
    198,737.71x = 274,261.56 × 108,095.65
  4. Step 4: Simplify right side
    198,737.71x = 29,646,481,598.21
  5. Step 5: Solve for x
    x = 29,646,481,598.21/198,737.71
  6. Step 6: Final answer
    x = 149,173.91

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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.