Home / 187,261.22-280,849.98-54,111.80

Finding the Fourth Proportional to 187,261.22, 280,849.98 and 54,111.80

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Solution

The fourth proportional to 187,261.22, 280,849.98 and 54,111.80 is: 81,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,261.22 : 280,849.98 = 54,111.80 : x
  2. Step 2: Convert to fraction form
    187,261.22/280,849.98 = 54,111.80/x
  3. Step 3: Cross multiply
    187,261.22x = 280,849.98 × 54,111.80
  4. Step 4: Simplify right side
    187,261.22x = 15,197,297,947.76
  5. Step 5: Solve for x
    x = 15,197,297,947.76/187,261.22
  6. Step 6: Final answer
    x = 81,155.61

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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.