Home / 192,354.75-265,441.66-111,781.62

Finding the Fourth Proportional to 192,354.75, 265,441.66 and 111,781.62

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Solution

The fourth proportional to 192,354.75, 265,441.66 and 111,781.62 is: 154,254.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,354.75 : 265,441.66 = 111,781.62 : x
  2. Step 2: Convert to fraction form
    192,354.75/265,441.66 = 111,781.62/x
  3. Step 3: Cross multiply
    192,354.75x = 265,441.66 × 111,781.62
  4. Step 4: Simplify right side
    192,354.75x = 29,671,498,490.84
  5. Step 5: Solve for x
    x = 29,671,498,490.84/192,354.75
  6. Step 6: Final answer
    x = 154,254.05

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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.