Home / 196,034.60-270,588.66-155,819.72

Finding the Fourth Proportional to 196,034.60, 270,588.66 and 155,819.72

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Solution

The fourth proportional to 196,034.60, 270,588.66 and 155,819.72 is: 215,079.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,034.60 : 270,588.66 = 155,819.72 : x
  2. Step 2: Convert to fraction form
    196,034.60/270,588.66 = 155,819.72/x
  3. Step 3: Cross multiply
    196,034.60x = 270,588.66 × 155,819.72
  4. Step 4: Simplify right side
    196,034.60x = 42,163,049,236.38
  5. Step 5: Solve for x
    x = 42,163,049,236.38/196,034.60
  6. Step 6: Final answer
    x = 215,079.63

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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.