Home / 192,981.58-266,311.47-108,098.38

Finding the Fourth Proportional to 192,981.58, 266,311.47 and 108,098.38

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Solution

The fourth proportional to 192,981.58, 266,311.47 and 108,098.38 is: 149,174.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,981.58 : 266,311.47 = 108,098.38 : x
  2. Step 2: Convert to fraction form
    192,981.58/266,311.47 = 108,098.38/x
  3. Step 3: Cross multiply
    192,981.58x = 266,311.47 × 108,098.38
  4. Step 4: Simplify right side
    192,981.58x = 28,787,838,482.42
  5. Step 5: Solve for x
    x = 28,787,838,482.42/192,981.58
  6. Step 6: Final answer
    x = 149,174.02

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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.