Home / 188,726.22-260,356.38-112,201.90

Finding the Fourth Proportional to 188,726.22, 260,356.38 and 112,201.90

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Solution

The fourth proportional to 188,726.22, 260,356.38 and 112,201.90 is: 154,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,726.22 : 260,356.38 = 112,201.90 : x
  2. Step 2: Convert to fraction form
    188,726.22/260,356.38 = 112,201.90/x
  3. Step 3: Cross multiply
    188,726.22x = 260,356.38 × 112,201.90
  4. Step 4: Simplify right side
    188,726.22x = 29,212,480,417.81
  5. Step 5: Solve for x
    x = 29,212,480,417.81/188,726.22
  6. Step 6: Final answer
    x = 154,787.61

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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.