Home / 187,026.31-280,576.05-68,698.54

Finding the Fourth Proportional to 187,026.31, 280,576.05 and 68,698.54

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Solution

The fourth proportional to 187,026.31, 280,576.05 and 68,698.54 is: 103,061.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,026.31 : 280,576.05 = 68,698.54 : x
  2. Step 2: Convert to fraction form
    187,026.31/280,576.05 = 68,698.54/x
  3. Step 3: Cross multiply
    187,026.31x = 280,576.05 × 68,698.54
  4. Step 4: Simplify right side
    187,026.31x = 19,275,164,993.97
  5. Step 5: Solve for x
    x = 19,275,164,993.97/187,026.31
  6. Step 6: Final answer
    x = 103,061.25

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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.