Home / 196,379.66-271,032.20-142,108.04

Finding the Fourth Proportional to 196,379.66, 271,032.20 and 142,108.04

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Solution

The fourth proportional to 196,379.66, 271,032.20 and 142,108.04 is: 196,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,379.66 : 271,032.20 = 142,108.04 : x
  2. Step 2: Convert to fraction form
    196,379.66/271,032.20 = 142,108.04/x
  3. Step 3: Cross multiply
    196,379.66x = 271,032.20 × 142,108.04
  4. Step 4: Simplify right side
    196,379.66x = 38,515,852,653.19
  5. Step 5: Solve for x
    x = 38,515,852,653.19/196,379.66
  6. Step 6: Final answer
    x = 196,129.55

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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.