Home / 251,226.78-346,708.47-143,794.35

Finding the Fourth Proportional to 251,226.78, 346,708.47 and 143,794.35

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Solution

The fourth proportional to 251,226.78, 346,708.47 and 143,794.35 is: 198,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,226.78 : 346,708.47 = 143,794.35 : x
  2. Step 2: Convert to fraction form
    251,226.78/346,708.47 = 143,794.35/x
  3. Step 3: Cross multiply
    251,226.78x = 346,708.47 × 143,794.35
  4. Step 4: Simplify right side
    251,226.78x = 49,854,719,083.14
  5. Step 5: Solve for x
    x = 49,854,719,083.14/251,226.78
  6. Step 6: Final answer
    x = 198,445.08

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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.