Home / 251,053.23-346,452.12-136,330.86

Finding the Fourth Proportional to 251,053.23, 346,452.12 and 136,330.86

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Solution

The fourth proportional to 251,053.23, 346,452.12 and 136,330.86 is: 188,135.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,053.23 : 346,452.12 = 136,330.86 : x
  2. Step 2: Convert to fraction form
    251,053.23/346,452.12 = 136,330.86/x
  3. Step 3: Cross multiply
    251,053.23x = 346,452.12 × 136,330.86
  4. Step 4: Simplify right side
    251,053.23x = 47,232,115,468.42
  5. Step 5: Solve for x
    x = 47,232,115,468.42/251,053.23
  6. Step 6: Final answer
    x = 188,135.86

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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.