Home / 242,119.20-362,948.40-188,781.60

Finding the Fourth Proportional to 242,119.20, 362,948.40 and 188,781.60

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Solution

The fourth proportional to 242,119.20, 362,948.40 and 188,781.60 is: 282,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,119.20 : 362,948.40 = 188,781.60 : x
  2. Step 2: Convert to fraction form
    242,119.20/362,948.40 = 188,781.60/x
  3. Step 3: Cross multiply
    242,119.20x = 362,948.40 × 188,781.60
  4. Step 4: Simplify right side
    242,119.20x = 68,517,979,669.44
  5. Step 5: Solve for x
    x = 68,517,979,669.44/242,119.20
  6. Step 6: Final answer
    x = 282,992.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.