Home / 256,229.66-353,570.09-148,778.71

Finding the Fourth Proportional to 256,229.66, 353,570.09 and 148,778.71

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Solution

The fourth proportional to 256,229.66, 353,570.09 and 148,778.71 is: 205,299.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,229.66 : 353,570.09 = 148,778.71 : x
  2. Step 2: Convert to fraction form
    256,229.66/353,570.09 = 148,778.71/x
  3. Step 3: Cross multiply
    256,229.66x = 353,570.09 × 148,778.71
  4. Step 4: Simplify right side
    256,229.66x = 52,603,700,256.97
  5. Step 5: Solve for x
    x = 52,603,700,256.97/256,229.66
  6. Step 6: Final answer
    x = 205,299.03

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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.