Home / 196,440.29-271,089.47-111,557.96

Finding the Fourth Proportional to 196,440.29, 271,089.47 and 111,557.96

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Solution

The fourth proportional to 196,440.29, 271,089.47 and 111,557.96 is: 153,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,440.29 : 271,089.47 = 111,557.96 : x
  2. Step 2: Convert to fraction form
    196,440.29/271,089.47 = 111,557.96/x
  3. Step 3: Cross multiply
    196,440.29x = 271,089.47 × 111,557.96
  4. Step 4: Simplify right side
    196,440.29x = 30,242,187,174.13
  5. Step 5: Solve for x
    x = 30,242,187,174.13/196,440.29
  6. Step 6: Final answer
    x = 153,951.05

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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.