Home / 256,176.20-353,521.78-148,772.62

Finding the Fourth Proportional to 256,176.20, 353,521.78 and 148,772.62

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Solution

The fourth proportional to 256,176.20, 353,521.78 and 148,772.62 is: 205,305.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,176.20 : 353,521.78 = 148,772.62 : x
  2. Step 2: Convert to fraction form
    256,176.20/353,521.78 = 148,772.62/x
  3. Step 3: Cross multiply
    256,176.20x = 353,521.78 × 148,772.62
  4. Step 4: Simplify right side
    256,176.20x = 52,594,361,437.66
  5. Step 5: Solve for x
    x = 52,594,361,437.66/256,176.20
  6. Step 6: Final answer
    x = 205,305.42

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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.