Home / 282,052.54-389,260.49-161,211.18

Finding the Fourth Proportional to 282,052.54, 389,260.49 and 161,211.18

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Solution

The fourth proportional to 282,052.54, 389,260.49 and 161,211.18 is: 222,487.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,052.54 : 389,260.49 = 161,211.18 : x
  2. Step 2: Convert to fraction form
    282,052.54/389,260.49 = 161,211.18/x
  3. Step 3: Cross multiply
    282,052.54x = 389,260.49 × 161,211.18
  4. Step 4: Simplify right side
    282,052.54x = 62,753,142,920.28
  5. Step 5: Solve for x
    x = 62,753,142,920.28/282,052.54
  6. Step 6: Final answer
    x = 222,487.42

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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.