Home / 196,548.40-271,236.88-111,665.60

Finding the Fourth Proportional to 196,548.40, 271,236.88 and 111,665.60

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Solution

The fourth proportional to 196,548.40, 271,236.88 and 111,665.60 is: 154,098.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,548.40 : 271,236.88 = 111,665.60 : x
  2. Step 2: Convert to fraction form
    196,548.40/271,236.88 = 111,665.60/x
  3. Step 3: Cross multiply
    196,548.40x = 271,236.88 × 111,665.60
  4. Step 4: Simplify right side
    196,548.40x = 30,287,828,947.33
  5. Step 5: Solve for x
    x = 30,287,828,947.33/196,548.40
  6. Step 6: Final answer
    x = 154,098.58

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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.