Home / 282,340.20-389,518.35-161,416.52

Finding the Fourth Proportional to 282,340.20, 389,518.35 and 161,416.52

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Solution

The fourth proportional to 282,340.20, 389,518.35 and 161,416.52 is: 222,691.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,340.20 : 389,518.35 = 161,416.52 : x
  2. Step 2: Convert to fraction form
    282,340.20/389,518.35 = 161,416.52/x
  3. Step 3: Cross multiply
    282,340.20x = 389,518.35 × 161,416.52
  4. Step 4: Simplify right side
    282,340.20x = 62,874,694,585.55
  5. Step 5: Solve for x
    x = 62,874,694,585.55/282,340.20
  6. Step 6: Final answer
    x = 222,691.26

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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.