Home / 161,071.20-222,283.44-89,452.08

Finding the Fourth Proportional to 161,071.20, 222,283.44 and 89,452.08

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Solution

The fourth proportional to 161,071.20, 222,283.44 and 89,452.08 is: 123,446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,071.20 : 222,283.44 = 89,452.08 : x
  2. Step 2: Convert to fraction form
    161,071.20/222,283.44 = 89,452.08/x
  3. Step 3: Cross multiply
    161,071.20x = 222,283.44 × 89,452.08
  4. Step 4: Simplify right side
    161,071.20x = 19,883,716,057.56
  5. Step 5: Solve for x
    x = 19,883,716,057.56/161,071.20
  6. Step 6: Final answer
    x = 123,446.75

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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.