Home / 160,976.40-222,046.48-103,689.96

Finding the Fourth Proportional to 160,976.40, 222,046.48 and 103,689.96

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Solution

The fourth proportional to 160,976.40, 222,046.48 and 103,689.96 is: 143,027.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,976.40 : 222,046.48 = 103,689.96 : x
  2. Step 2: Convert to fraction form
    160,976.40/222,046.48 = 103,689.96/x
  3. Step 3: Cross multiply
    160,976.40x = 222,046.48 × 103,689.96
  4. Step 4: Simplify right side
    160,976.40x = 23,023,990,629.34
  5. Step 5: Solve for x
    x = 23,023,990,629.34/160,976.40
  6. Step 6: Final answer
    x = 143,027.12

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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.