Home / 161,108.20-222,323.18-89,492.84

Finding the Fourth Proportional to 161,108.20, 222,323.18 and 89,492.84

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Solution

The fourth proportional to 161,108.20, 222,323.18 and 89,492.84 is: 123,496.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,108.20 : 222,323.18 = 89,492.84 : x
  2. Step 2: Convert to fraction form
    161,108.20/222,323.18 = 89,492.84/x
  3. Step 3: Cross multiply
    161,108.20x = 222,323.18 × 89,492.84
  4. Step 4: Simplify right side
    161,108.20x = 19,896,332,776.03
  5. Step 5: Solve for x
    x = 19,896,332,776.03/161,108.20
  6. Step 6: Final answer
    x = 123,496.71

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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.