Home / 198,436.51-273,737.39-125,711.10

Finding the Fourth Proportional to 198,436.51, 273,737.39 and 125,711.10

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Solution

The fourth proportional to 198,436.51, 273,737.39 and 125,711.10 is: 173,414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,436.51 : 273,737.39 = 125,711.10 : x
  2. Step 2: Convert to fraction form
    198,436.51/273,737.39 = 125,711.10/x
  3. Step 3: Cross multiply
    198,436.51x = 273,737.39 × 125,711.10
  4. Step 4: Simplify right side
    198,436.51x = 34,411,828,722.31
  5. Step 5: Solve for x
    x = 34,411,828,722.31/198,436.51
  6. Step 6: Final answer
    x = 173,414.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.