Home / 187,273.44-280,938.18-68,935.80

Finding the Fourth Proportional to 187,273.44, 280,938.18 and 68,935.80

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Solution

The fourth proportional to 187,273.44, 280,938.18 and 68,935.80 is: 103,414.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,273.44 : 280,938.18 = 68,935.80 : x
  2. Step 2: Convert to fraction form
    187,273.44/280,938.18 = 68,935.80/x
  3. Step 3: Cross multiply
    187,273.44x = 280,938.18 × 68,935.80
  4. Step 4: Simplify right side
    187,273.44x = 19,366,698,188.84
  5. Step 5: Solve for x
    x = 19,366,698,188.84/187,273.44
  6. Step 6: Final answer
    x = 103,414.01

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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.