Home / 196,801.92-271,592.64-111,931.20

Finding the Fourth Proportional to 196,801.92, 271,592.64 and 111,931.20

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Solution

The fourth proportional to 196,801.92, 271,592.64 and 111,931.20 is: 154,468.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,801.92 : 271,592.64 = 111,931.20 : x
  2. Step 2: Convert to fraction form
    196,801.92/271,592.64 = 111,931.20/x
  3. Step 3: Cross multiply
    196,801.92x = 271,592.64 × 111,931.20
  4. Step 4: Simplify right side
    196,801.92x = 30,399,690,106.37
  5. Step 5: Solve for x
    x = 30,399,690,106.37/196,801.92
  6. Step 6: Final answer
    x = 154,468.46

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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.