Home / 187,108.11-280,699.02-60,724.80

Finding the Fourth Proportional to 187,108.11, 280,699.02 and 60,724.80

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Solution

The fourth proportional to 187,108.11, 280,699.02 and 60,724.80 is: 91,099.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,108.11 : 280,699.02 = 60,724.80 : x
  2. Step 2: Convert to fraction form
    187,108.11/280,699.02 = 60,724.80/x
  3. Step 3: Cross multiply
    187,108.11x = 280,699.02 × 60,724.80
  4. Step 4: Simplify right side
    187,108.11x = 17,045,391,849.70
  5. Step 5: Solve for x
    x = 17,045,391,849.70/187,108.11
  6. Step 6: Final answer
    x = 91,099.16

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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.