Home / 193,220.87-266,650.04-108,336.11

Finding the Fourth Proportional to 193,220.87, 266,650.04 and 108,336.11

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Solution

The fourth proportional to 193,220.87, 266,650.04 and 108,336.11 is: 149,506.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,220.87 : 266,650.04 = 108,336.11 : x
  2. Step 2: Convert to fraction form
    193,220.87/266,650.04 = 108,336.11/x
  3. Step 3: Cross multiply
    193,220.87x = 266,650.04 × 108,336.11
  4. Step 4: Simplify right side
    193,220.87x = 28,887,827,002.53
  5. Step 5: Solve for x
    x = 28,887,827,002.53/193,220.87
  6. Step 6: Final answer
    x = 149,506.77

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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.