Home / 187,122.13-280,706.54-73,255.22

Finding the Fourth Proportional to 187,122.13, 280,706.54 and 73,255.22

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Solution

The fourth proportional to 187,122.13, 280,706.54 and 73,255.22 is: 109,891.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,122.13 : 280,706.54 = 73,255.22 : x
  2. Step 2: Convert to fraction form
    187,122.13/280,706.54 = 73,255.22/x
  3. Step 3: Cross multiply
    187,122.13x = 280,706.54 × 73,255.22
  4. Step 4: Simplify right side
    187,122.13x = 20,563,219,678.63
  5. Step 5: Solve for x
    x = 20,563,219,678.63/187,122.13
  6. Step 6: Final answer
    x = 109,891.97

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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.