Home / 166,620.79-249,617.31-82,282.24

Finding the Fourth Proportional to 166,620.79, 249,617.31 and 82,282.24

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Solution

The fourth proportional to 166,620.79, 249,617.31 and 82,282.24 is: 123,268.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,620.79 : 249,617.31 = 82,282.24 : x
  2. Step 2: Convert to fraction form
    166,620.79/249,617.31 = 82,282.24/x
  3. Step 3: Cross multiply
    166,620.79x = 249,617.31 × 82,282.24
  4. Step 4: Simplify right side
    166,620.79x = 20,539,071,409.57
  5. Step 5: Solve for x
    x = 20,539,071,409.57/166,620.79
  6. Step 6: Final answer
    x = 123,268.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.