Home / 256,286.89-353,842.32-229,382.74

Finding the Fourth Proportional to 256,286.89, 353,842.32 and 229,382.74

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Solution

The fourth proportional to 256,286.89, 353,842.32 and 229,382.74 is: 316,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,286.89 : 353,842.32 = 229,382.74 : x
  2. Step 2: Convert to fraction form
    256,286.89/353,842.32 = 229,382.74/x
  3. Step 3: Cross multiply
    256,286.89x = 353,842.32 × 229,382.74
  4. Step 4: Simplify right side
    256,286.89x = 81,165,320,889.56
  5. Step 5: Solve for x
    x = 81,165,320,889.56/256,286.89
  6. Step 6: Final answer
    x = 316,697.12

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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.