Home / 187,108.92-280,474.23-80,562.36

Finding the Fourth Proportional to 187,108.92, 280,474.23 and 80,562.36

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Solution

The fourth proportional to 187,108.92, 280,474.23 and 80,562.36 is: 120,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,108.92 : 280,474.23 = 80,562.36 : x
  2. Step 2: Convert to fraction form
    187,108.92/280,474.23 = 80,562.36/x
  3. Step 3: Cross multiply
    187,108.92x = 280,474.23 × 80,562.36
  4. Step 4: Simplify right side
    187,108.92x = 22,595,665,887.98
  5. Step 5: Solve for x
    x = 22,595,665,887.98/187,108.92
  6. Step 6: Final answer
    x = 120,762.10

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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.