Home / 251,126.16-346,556.68-136,405.86

Finding the Fourth Proportional to 251,126.16, 346,556.68 and 136,405.86

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Solution

The fourth proportional to 251,126.16, 346,556.68 and 136,405.86 is: 188,241.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,126.16 : 346,556.68 = 136,405.86 : x
  2. Step 2: Convert to fraction form
    251,126.16/346,556.68 = 136,405.86/x
  3. Step 3: Cross multiply
    251,126.16x = 346,556.68 × 136,405.86
  4. Step 4: Simplify right side
    251,126.16x = 47,272,361,974.14
  5. Step 5: Solve for x
    x = 47,272,361,974.14/251,126.16
  6. Step 6: Final answer
    x = 188,241.49

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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.