Home / 222,398.62-306,932.07-126,919.66

Finding the Fourth Proportional to 222,398.62, 306,932.07 and 126,919.66

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Solution

The fourth proportional to 222,398.62, 306,932.07 and 126,919.66 is: 175,161.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,398.62 : 306,932.07 = 126,919.66 : x
  2. Step 2: Convert to fraction form
    222,398.62/306,932.07 = 126,919.66/x
  3. Step 3: Cross multiply
    222,398.62x = 306,932.07 × 126,919.66
  4. Step 4: Simplify right side
    222,398.62x = 38,955,714,734.83
  5. Step 5: Solve for x
    x = 38,955,714,734.83/222,398.62
  6. Step 6: Final answer
    x = 175,161.68

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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.