Home / 222,160.75-306,262.96-158,387.83

Finding the Fourth Proportional to 222,160.75, 306,262.96 and 158,387.83

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Solution

The fourth proportional to 222,160.75, 306,262.96 and 158,387.83 is: 218,347.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,160.75 : 306,262.96 = 158,387.83 : x
  2. Step 2: Convert to fraction form
    222,160.75/306,262.96 = 158,387.83/x
  3. Step 3: Cross multiply
    222,160.75x = 306,262.96 × 158,387.83
  4. Step 4: Simplify right side
    222,160.75x = 48,508,324,482.15
  5. Step 5: Solve for x
    x = 48,508,324,482.15/222,160.75
  6. Step 6: Final answer
    x = 218,347.86

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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.