Home / 161,867.58-222,188.84-143,562.39

Finding the Fourth Proportional to 161,867.58, 222,188.84 and 143,562.39

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Solution

The fourth proportional to 161,867.58, 222,188.84 and 143,562.39 is: 197,062.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,867.58 : 222,188.84 = 143,562.39 : x
  2. Step 2: Convert to fraction form
    161,867.58/222,188.84 = 143,562.39/x
  3. Step 3: Cross multiply
    161,867.58x = 222,188.84 × 143,562.39
  4. Step 4: Simplify right side
    161,867.58x = 31,897,960,183.92
  5. Step 5: Solve for x
    x = 31,897,960,183.92/161,867.58
  6. Step 6: Final answer
    x = 197,062.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.