Home / 193,279.68-266,663.07-108,380.34

Finding the Fourth Proportional to 193,279.68, 266,663.07 and 108,380.34

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Solution

The fourth proportional to 193,279.68, 266,663.07 and 108,380.34 is: 149,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,279.68 : 266,663.07 = 108,380.34 : x
  2. Step 2: Convert to fraction form
    193,279.68/266,663.07 = 108,380.34/x
  3. Step 3: Cross multiply
    193,279.68x = 266,663.07 × 108,380.34
  4. Step 4: Simplify right side
    193,279.68x = 28,901,034,192.04
  5. Step 5: Solve for x
    x = 28,901,034,192.04/193,279.68
  6. Step 6: Final answer
    x = 149,529.60

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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.