Home / 193,000.76-266,348.58-108,118.52

Finding the Fourth Proportional to 193,000.76, 266,348.58 and 108,118.52

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Solution

The fourth proportional to 193,000.76, 266,348.58 and 108,118.52 is: 149,207.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,000.76 : 266,348.58 = 108,118.52 : x
  2. Step 2: Convert to fraction form
    193,000.76/266,348.58 = 108,118.52/x
  3. Step 3: Cross multiply
    193,000.76x = 266,348.58 × 108,118.52
  4. Step 4: Simplify right side
    193,000.76x = 28,797,214,273.70
  5. Step 5: Solve for x
    x = 28,797,214,273.70/193,000.76
  6. Step 6: Final answer
    x = 149,207.78

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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.