Home / 256,778.20-354,442.98-176,471.56

Finding the Fourth Proportional to 256,778.20, 354,442.98 and 176,471.56

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Solution

The fourth proportional to 256,778.20, 354,442.98 and 176,471.56 is: 243,591.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,778.20 : 354,442.98 = 176,471.56 : x
  2. Step 2: Convert to fraction form
    256,778.20/354,442.98 = 176,471.56/x
  3. Step 3: Cross multiply
    256,778.20x = 354,442.98 × 176,471.56
  4. Step 4: Simplify right side
    256,778.20x = 62,549,105,611.65
  5. Step 5: Solve for x
    x = 62,549,105,611.65/256,778.20
  6. Step 6: Final answer
    x = 243,591.96

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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.