Home / 282,106.94-389,334.92-161,225.12

Finding the Fourth Proportional to 282,106.94, 389,334.92 and 161,225.12

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Solution

The fourth proportional to 282,106.94, 389,334.92 and 161,225.12 is: 222,506.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,106.94 : 389,334.92 = 161,225.12 : x
  2. Step 2: Convert to fraction form
    282,106.94/389,334.92 = 161,225.12/x
  3. Step 3: Cross multiply
    282,106.94x = 389,334.92 × 161,225.12
  4. Step 4: Simplify right side
    282,106.94x = 62,770,566,444.39
  5. Step 5: Solve for x
    x = 62,770,566,444.39/282,106.94
  6. Step 6: Final answer
    x = 222,506.29

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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.