Home / 187,029.06-280,580.19-68,701.32

Finding the Fourth Proportional to 187,029.06, 280,580.19 and 68,701.32

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Solution

The fourth proportional to 187,029.06, 280,580.19 and 68,701.32 is: 103,065.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,029.06 : 280,580.19 = 68,701.32 : x
  2. Step 2: Convert to fraction form
    187,029.06/280,580.19 = 68,701.32/x
  3. Step 3: Cross multiply
    187,029.06x = 280,580.19 × 68,701.32
  4. Step 4: Simplify right side
    187,029.06x = 19,276,229,418.85
  5. Step 5: Solve for x
    x = 19,276,229,418.85/187,029.06
  6. Step 6: Final answer
    x = 103,065.42

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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.