Home / 282,179.07-389,392.25-161,304.39

Finding the Fourth Proportional to 282,179.07, 389,392.25 and 161,304.39

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Solution

The fourth proportional to 282,179.07, 389,392.25 and 161,304.39 is: 222,591.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,179.07 : 389,392.25 = 161,304.39 : x
  2. Step 2: Convert to fraction form
    282,179.07/389,392.25 = 161,304.39/x
  3. Step 3: Cross multiply
    282,179.07x = 389,392.25 × 161,304.39
  4. Step 4: Simplify right side
    282,179.07x = 62,810,678,550.46
  5. Step 5: Solve for x
    x = 62,810,678,550.46/282,179.07
  6. Step 6: Final answer
    x = 222,591.56

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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.