Home / 187,092.50-280,463.78-68,732.06

Finding the Fourth Proportional to 187,092.50, 280,463.78 and 68,732.06

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Solution

The fourth proportional to 187,092.50, 280,463.78 and 68,732.06 is: 103,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,092.50 : 280,463.78 = 68,732.06 : x
  2. Step 2: Convert to fraction form
    187,092.50/280,463.78 = 68,732.06/x
  3. Step 3: Cross multiply
    187,092.50x = 280,463.78 × 68,732.06
  4. Step 4: Simplify right side
    187,092.50x = 19,276,851,608.81
  5. Step 5: Solve for x
    x = 19,276,851,608.81/187,092.50
  6. Step 6: Final answer
    x = 103,033.80

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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.