Home / 282,022.30-389,210.58-161,181.46

Finding the Fourth Proportional to 282,022.30, 389,210.58 and 161,181.46

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Solution

The fourth proportional to 282,022.30, 389,210.58 and 161,181.46 is: 222,441.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,022.30 : 389,210.58 = 161,181.46 : x
  2. Step 2: Convert to fraction form
    282,022.30/389,210.58 = 161,181.46/x
  3. Step 3: Cross multiply
    282,022.30x = 389,210.58 × 161,181.46
  4. Step 4: Simplify right side
    282,022.30x = 62,733,529,531.85
  5. Step 5: Solve for x
    x = 62,733,529,531.85/282,022.30
  6. Step 6: Final answer
    x = 222,441.73

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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.