Home / 147,791.17-221,719.56-42,601.94

Finding the Fourth Proportional to 147,791.17, 221,719.56 and 42,601.94

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Solution

The fourth proportional to 147,791.17, 221,719.56 and 42,601.94 is: 63,912.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,791.17 : 221,719.56 = 42,601.94 : x
  2. Step 2: Convert to fraction form
    147,791.17/221,719.56 = 42,601.94/x
  3. Step 3: Cross multiply
    147,791.17x = 221,719.56 × 42,601.94
  4. Step 4: Simplify right side
    147,791.17x = 9,445,683,391.95
  5. Step 5: Solve for x
    x = 9,445,683,391.95/147,791.17
  6. Step 6: Final answer
    x = 63,912.37

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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.