Home / 256,724.12-354,281.60-141,996.74

Finding the Fourth Proportional to 256,724.12, 354,281.60 and 141,996.74

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Solution

The fourth proportional to 256,724.12, 354,281.60 and 141,996.74 is: 195,956.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,724.12 : 354,281.60 = 141,996.74 : x
  2. Step 2: Convert to fraction form
    256,724.12/354,281.60 = 141,996.74/x
  3. Step 3: Cross multiply
    256,724.12x = 354,281.60 × 141,996.74
  4. Step 4: Simplify right side
    256,724.12x = 50,306,829,760.59
  5. Step 5: Solve for x
    x = 50,306,829,760.59/256,724.12
  6. Step 6: Final answer
    x = 195,956.78

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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.