Home / 161,306.20-222,596.16-89,680.96

Finding the Fourth Proportional to 161,306.20, 222,596.16 and 89,680.96

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Solution

The fourth proportional to 161,306.20, 222,596.16 and 89,680.96 is: 123,756.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,306.20 : 222,596.16 = 89,680.96 : x
  2. Step 2: Convert to fraction form
    161,306.20/222,596.16 = 89,680.96/x
  3. Step 3: Cross multiply
    161,306.20x = 222,596.16 × 89,680.96
  4. Step 4: Simplify right side
    161,306.20x = 19,962,637,321.11
  5. Step 5: Solve for x
    x = 19,962,637,321.11/161,306.20
  6. Step 6: Final answer
    x = 123,756.17

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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.