Home / 374,542.29-561,869.37-137,866.97

Finding the Fourth Proportional to 374,542.29, 561,869.37 and 137,866.97

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Solution

The fourth proportional to 374,542.29, 561,869.37 and 137,866.97 is: 206,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,542.29 : 561,869.37 = 137,866.97 : x
  2. Step 2: Convert to fraction form
    374,542.29/561,869.37 = 137,866.97/x
  3. Step 3: Cross multiply
    374,542.29x = 561,869.37 × 137,866.97
  4. Step 4: Simplify right side
    374,542.29x = 77,463,228,982.38
  5. Step 5: Solve for x
    x = 77,463,228,982.38/374,542.29
  6. Step 6: Final answer
    x = 206,821.05

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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.