Home / 161,193.24-222,442.20-89,569.80

Finding the Fourth Proportional to 161,193.24, 222,442.20 and 89,569.80

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Solution

The fourth proportional to 161,193.24, 222,442.20 and 89,569.80 is: 123,603.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,193.24 : 222,442.20 = 89,569.80 : x
  2. Step 2: Convert to fraction form
    161,193.24/222,442.20 = 89,569.80/x
  3. Step 3: Cross multiply
    161,193.24x = 222,442.20 × 89,569.80
  4. Step 4: Simplify right side
    161,193.24x = 19,924,103,365.56
  5. Step 5: Solve for x
    x = 19,924,103,365.56/161,193.24
  6. Step 6: Final answer
    x = 123,603.84

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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.