Home / 199,963.27-299,869.57-81,571.24

Finding the Fourth Proportional to 199,963.27, 299,869.57 and 81,571.24

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Solution

The fourth proportional to 199,963.27, 299,869.57 and 81,571.24 is: 122,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,963.27 : 299,869.57 = 81,571.24 : x
  2. Step 2: Convert to fraction form
    199,963.27/299,869.57 = 81,571.24/x
  3. Step 3: Cross multiply
    199,963.27x = 299,869.57 × 81,571.24
  4. Step 4: Simplify right side
    199,963.27x = 24,460,732,663.17
  5. Step 5: Solve for x
    x = 24,460,732,663.17/199,963.27
  6. Step 6: Final answer
    x = 122,326.13

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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.