Home / 196,433.55-271,071.09-120,080.52

Finding the Fourth Proportional to 196,433.55, 271,071.09 and 120,080.52

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Solution

The fourth proportional to 196,433.55, 271,071.09 and 120,080.52 is: 165,706.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,433.55 : 271,071.09 = 120,080.52 : x
  2. Step 2: Convert to fraction form
    196,433.55/271,071.09 = 120,080.52/x
  3. Step 3: Cross multiply
    196,433.55x = 271,071.09 × 120,080.52
  4. Step 4: Simplify right side
    196,433.55x = 32,550,357,444.17
  5. Step 5: Solve for x
    x = 32,550,357,444.17/196,433.55
  6. Step 6: Final answer
    x = 165,706.71

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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.