Home / 282,181.36-389,390.06-161,327.74

Finding the Fourth Proportional to 282,181.36, 389,390.06 and 161,327.74

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Solution

The fourth proportional to 282,181.36, 389,390.06 and 161,327.74 is: 222,620.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,181.36 : 389,390.06 = 161,327.74 : x
  2. Step 2: Convert to fraction form
    282,181.36/389,390.06 = 161,327.74/x
  3. Step 3: Cross multiply
    282,181.36x = 389,390.06 × 161,327.74
  4. Step 4: Simplify right side
    282,181.36x = 62,819,420,524.29
  5. Step 5: Solve for x
    x = 62,819,420,524.29/282,181.36
  6. Step 6: Final answer
    x = 222,620.73

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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.