Home / 196,538.48-271,230.36-111,669.92

Finding the Fourth Proportional to 196,538.48, 271,230.36 and 111,669.92

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Solution

The fourth proportional to 196,538.48, 271,230.36 and 111,669.92 is: 154,108.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,538.48 : 271,230.36 = 111,669.92 : x
  2. Step 2: Convert to fraction form
    196,538.48/271,230.36 = 111,669.92/x
  3. Step 3: Cross multiply
    196,538.48x = 271,230.36 × 111,669.92
  4. Step 4: Simplify right side
    196,538.48x = 30,288,272,602.77
  5. Step 5: Solve for x
    x = 30,288,272,602.77/196,538.48
  6. Step 6: Final answer
    x = 154,108.61

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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.