Home / 256,947.59-354,501.55-149,494.61

Finding the Fourth Proportional to 256,947.59, 354,501.55 and 149,494.61

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Solution

The fourth proportional to 256,947.59, 354,501.55 and 149,494.61 is: 206,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,947.59 : 354,501.55 = 149,494.61 : x
  2. Step 2: Convert to fraction form
    256,947.59/354,501.55 = 149,494.61/x
  3. Step 3: Cross multiply
    256,947.59x = 354,501.55 × 149,494.61
  4. Step 4: Simplify right side
    256,947.59x = 52,996,070,961.65
  5. Step 5: Solve for x
    x = 52,996,070,961.65/256,947.59
  6. Step 6: Final answer
    x = 206,252.45

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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.