Home / 256,076.20-353,366.24-148,628.88

Finding the Fourth Proportional to 256,076.20, 353,366.24 and 148,628.88

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Solution

The fourth proportional to 256,076.20, 353,366.24 and 148,628.88 is: 205,096.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,076.20 : 353,366.24 = 148,628.88 : x
  2. Step 2: Convert to fraction form
    256,076.20/353,366.24 = 148,628.88/x
  3. Step 3: Cross multiply
    256,076.20x = 353,366.24 × 148,628.88
  4. Step 4: Simplify right side
    256,076.20x = 52,520,428,481.01
  5. Step 5: Solve for x
    x = 52,520,428,481.01/256,076.20
  6. Step 6: Final answer
    x = 205,096.88

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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.