Home / 187,083.32-280,624.97-68,703.44

Finding the Fourth Proportional to 187,083.32, 280,624.97 and 68,703.44

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Solution

The fourth proportional to 187,083.32, 280,624.97 and 68,703.44 is: 103,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,083.32 : 280,624.97 = 68,703.44 : x
  2. Step 2: Convert to fraction form
    187,083.32/280,624.97 = 68,703.44/x
  3. Step 3: Cross multiply
    187,083.32x = 280,624.97 × 68,703.44
  4. Step 4: Simplify right side
    187,083.32x = 19,279,899,557.53
  5. Step 5: Solve for x
    x = 19,279,899,557.53/187,083.32
  6. Step 6: Final answer
    x = 103,055.15

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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.