Home / 161,229.79-222,495.51-89,608.28

Finding the Fourth Proportional to 161,229.79, 222,495.51 and 89,608.28

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Solution

The fourth proportional to 161,229.79, 222,495.51 and 89,608.28 is: 123,658.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,229.79 : 222,495.51 = 89,608.28 : x
  2. Step 2: Convert to fraction form
    161,229.79/222,495.51 = 89,608.28/x
  3. Step 3: Cross multiply
    161,229.79x = 222,495.51 × 89,608.28
  4. Step 4: Simplify right side
    161,229.79x = 19,937,438,678.33
  5. Step 5: Solve for x
    x = 19,937,438,678.33/161,229.79
  6. Step 6: Final answer
    x = 123,658.53

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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.