Home / 256,444.56-353,874.96-141,721.83

Finding the Fourth Proportional to 256,444.56, 353,874.96 and 141,721.83

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Solution

The fourth proportional to 256,444.56, 353,874.96 and 141,721.83 is: 195,565.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,444.56 : 353,874.96 = 141,721.83 : x
  2. Step 2: Convert to fraction form
    256,444.56/353,874.96 = 141,721.83/x
  3. Step 3: Cross multiply
    256,444.56x = 353,874.96 × 141,721.83
  4. Step 4: Simplify right side
    256,444.56x = 50,151,806,922.38
  5. Step 5: Solve for x
    x = 50,151,806,922.38/256,444.56
  6. Step 6: Final answer
    x = 195,565.88

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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.