Home / 196,325.13-270,921.30-119,971.90

Finding the Fourth Proportional to 196,325.13, 270,921.30 and 119,971.90

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Solution

The fourth proportional to 196,325.13, 270,921.30 and 119,971.90 is: 165,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,325.13 : 270,921.30 = 119,971.90 : x
  2. Step 2: Convert to fraction form
    196,325.13/270,921.30 = 119,971.90/x
  3. Step 3: Cross multiply
    196,325.13x = 270,921.30 × 119,971.90
  4. Step 4: Simplify right side
    196,325.13x = 32,502,943,111.47
  5. Step 5: Solve for x
    x = 32,502,943,111.47/196,325.13
  6. Step 6: Final answer
    x = 165,556.71

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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.