Home / 282,338.03-389,515.35-161,414.35

Finding the Fourth Proportional to 282,338.03, 389,515.35 and 161,414.35

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Solution

The fourth proportional to 282,338.03, 389,515.35 and 161,414.35 is: 222,688.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,338.03 : 389,515.35 = 161,414.35 : x
  2. Step 2: Convert to fraction form
    282,338.03/389,515.35 = 161,414.35/x
  3. Step 3: Cross multiply
    282,338.03x = 389,515.35 × 161,414.35
  4. Step 4: Simplify right side
    282,338.03x = 62,873,365,087.70
  5. Step 5: Solve for x
    x = 62,873,365,087.70/282,338.03
  6. Step 6: Final answer
    x = 222,688.26

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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.