Home / 198,386.52-273,857.13-133,943.06

Finding the Fourth Proportional to 198,386.52, 273,857.13 and 133,943.06

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Solution

The fourth proportional to 198,386.52, 273,857.13 and 133,943.06 is: 184,897.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,386.52 : 273,857.13 = 133,943.06 : x
  2. Step 2: Convert to fraction form
    198,386.52/273,857.13 = 133,943.06/x
  3. Step 3: Cross multiply
    198,386.52x = 273,857.13 × 133,943.06
  4. Step 4: Simplify right side
    198,386.52x = 36,681,260,625.73
  5. Step 5: Solve for x
    x = 36,681,260,625.73/198,386.52
  6. Step 6: Final answer
    x = 184,897.95

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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.