Home / 282,200.41-389,436.82-161,344.23

Finding the Fourth Proportional to 282,200.41, 389,436.82 and 161,344.23

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Solution

The fourth proportional to 282,200.41, 389,436.82 and 161,344.23 is: 222,655.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,200.41 : 389,436.82 = 161,344.23 : x
  2. Step 2: Convert to fraction form
    282,200.41/389,436.82 = 161,344.23/x
  3. Step 3: Cross multiply
    282,200.41x = 389,436.82 × 161,344.23
  4. Step 4: Simplify right side
    282,200.41x = 62,833,384,222.54
  5. Step 5: Solve for x
    x = 62,833,384,222.54/282,200.41
  6. Step 6: Final answer
    x = 222,655.19

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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.