Home / 256,997.91-354,694.23-148,081.40

Finding the Fourth Proportional to 256,997.91, 354,694.23 and 148,081.40

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Solution

The fourth proportional to 256,997.91, 354,694.23 and 148,081.40 is: 204,373.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,997.91 : 354,694.23 = 148,081.40 : x
  2. Step 2: Convert to fraction form
    256,997.91/354,694.23 = 148,081.40/x
  3. Step 3: Cross multiply
    256,997.91x = 354,694.23 × 148,081.40
  4. Step 4: Simplify right side
    256,997.91x = 52,523,616,376.85
  5. Step 5: Solve for x
    x = 52,523,616,376.85/256,997.91
  6. Step 6: Final answer
    x = 204,373.71

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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.