Home / 161,492.24-222,862.92-89,879.60

Finding the Fourth Proportional to 161,492.24, 222,862.92 and 89,879.60

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Solution

The fourth proportional to 161,492.24, 222,862.92 and 89,879.60 is: 124,035.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,492.24 : 222,862.92 = 89,879.60 : x
  2. Step 2: Convert to fraction form
    161,492.24/222,862.92 = 89,879.60/x
  3. Step 3: Cross multiply
    161,492.24x = 222,862.92 × 89,879.60
  4. Step 4: Simplify right side
    161,492.24x = 20,030,830,104.43
  5. Step 5: Solve for x
    x = 20,030,830,104.43/161,492.24
  6. Step 6: Final answer
    x = 124,035.87

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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.