Home / 161,359.20-222,658.62-89,727.66

Finding the Fourth Proportional to 161,359.20, 222,658.62 and 89,727.66

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Solution

The fourth proportional to 161,359.20, 222,658.62 and 89,727.66 is: 123,814.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,359.20 : 222,658.62 = 89,727.66 : x
  2. Step 2: Convert to fraction form
    161,359.20/222,658.62 = 89,727.66/x
  3. Step 3: Cross multiply
    161,359.20x = 222,658.62 × 89,727.66
  4. Step 4: Simplify right side
    161,359.20x = 19,978,636,951.43
  5. Step 5: Solve for x
    x = 19,978,636,951.43/161,359.20
  6. Step 6: Final answer
    x = 123,814.68

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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.