Home / 196,640.31-271,364.36-111,757.11

Finding the Fourth Proportional to 196,640.31, 271,364.36 and 111,757.11

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Solution

The fourth proportional to 196,640.31, 271,364.36 and 111,757.11 is: 154,225.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,640.31 : 271,364.36 = 111,757.11 : x
  2. Step 2: Convert to fraction form
    196,640.31/271,364.36 = 111,757.11/x
  3. Step 3: Cross multiply
    196,640.31x = 271,364.36 × 111,757.11
  4. Step 4: Simplify right side
    196,640.31x = 30,326,896,071.81
  5. Step 5: Solve for x
    x = 30,326,896,071.81/196,640.31
  6. Step 6: Final answer
    x = 154,225.23

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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.