Home / 374,544.54-561,872.75-137,869.23

Finding the Fourth Proportional to 374,544.54, 561,872.75 and 137,869.23

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Solution

The fourth proportional to 374,544.54, 561,872.75 and 137,869.23 is: 206,824.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,544.54 : 561,872.75 = 137,869.23 : x
  2. Step 2: Convert to fraction form
    374,544.54/561,872.75 = 137,869.23/x
  3. Step 3: Cross multiply
    374,544.54x = 561,872.75 × 137,869.23
  4. Step 4: Simplify right side
    374,544.54x = 77,464,962,711.14
  5. Step 5: Solve for x
    x = 77,464,962,711.14/374,544.54
  6. Step 6: Final answer
    x = 206,824.43

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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.