Home / 196,438.55-271,077.99-120,085.52

Finding the Fourth Proportional to 196,438.55, 271,077.99 and 120,085.52

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Solution

The fourth proportional to 196,438.55, 271,077.99 and 120,085.52 is: 165,713.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,438.55 : 271,077.99 = 120,085.52 : x
  2. Step 2: Convert to fraction form
    196,438.55/271,077.99 = 120,085.52/x
  3. Step 3: Cross multiply
    196,438.55x = 271,077.99 × 120,085.52
  4. Step 4: Simplify right side
    196,438.55x = 32,552,541,389.70
  5. Step 5: Solve for x
    x = 32,552,541,389.70/196,438.55
  6. Step 6: Final answer
    x = 165,713.61

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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.