Home / 256,296.12-353,708.46-148,900.92

Finding the Fourth Proportional to 256,296.12, 353,708.46 and 148,900.92

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Solution

The fourth proportional to 256,296.12, 353,708.46 and 148,900.92 is: 205,494.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,296.12 : 353,708.46 = 148,900.92 : x
  2. Step 2: Convert to fraction form
    256,296.12/353,708.46 = 148,900.92/x
  3. Step 3: Cross multiply
    256,296.12x = 353,708.46 × 148,900.92
  4. Step 4: Simplify right side
    256,296.12x = 52,667,515,105.78
  5. Step 5: Solve for x
    x = 52,667,515,105.78/256,296.12
  6. Step 6: Final answer
    x = 205,494.78

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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.