Home / 147,791.12-221,717.79-47,943.54

Finding the Fourth Proportional to 147,791.12, 221,717.79 and 47,943.54

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Solution

The fourth proportional to 147,791.12, 221,717.79 and 47,943.54 is: 71,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,791.12 : 221,717.79 = 47,943.54 : x
  2. Step 2: Convert to fraction form
    147,791.12/221,717.79 = 47,943.54/x
  3. Step 3: Cross multiply
    147,791.12x = 221,717.79 × 47,943.54
  4. Step 4: Simplify right side
    147,791.12x = 10,629,935,733.58
  5. Step 5: Solve for x
    x = 10,629,935,733.58/147,791.12
  6. Step 6: Final answer
    x = 71,925.40

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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.