Home / 282,204.30-389,442.20-161,348.13

Finding the Fourth Proportional to 282,204.30, 389,442.20 and 161,348.13

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Solution

The fourth proportional to 282,204.30, 389,442.20 and 161,348.13 is: 222,660.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,204.30 : 389,442.20 = 161,348.13 : x
  2. Step 2: Convert to fraction form
    282,204.30/389,442.20 = 161,348.13/x
  3. Step 3: Cross multiply
    282,204.30x = 389,442.20 × 161,348.13
  4. Step 4: Simplify right side
    282,204.30x = 62,835,769,906.35
  5. Step 5: Solve for x
    x = 62,835,769,906.35/282,204.30
  6. Step 6: Final answer
    x = 222,660.57

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1.5x scale

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.