Home / 239,947.38-359,858.43-71,422.02

Finding the Fourth Proportional to 239,947.38, 359,858.43 and 71,422.02

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Solution

The fourth proportional to 239,947.38, 359,858.43 and 71,422.02 is: 107,114.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,947.38 : 359,858.43 = 71,422.02 : x
  2. Step 2: Convert to fraction form
    239,947.38/359,858.43 = 71,422.02/x
  3. Step 3: Cross multiply
    239,947.38x = 359,858.43 × 71,422.02
  4. Step 4: Simplify right side
    239,947.38x = 25,701,815,984.63
  5. Step 5: Solve for x
    x = 25,701,815,984.63/239,947.38
  6. Step 6: Final answer
    x = 107,114.38

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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.