Home / 251,249.24-346,725.29-136,528.78

Finding the Fourth Proportional to 251,249.24, 346,725.29 and 136,528.78

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Solution

The fourth proportional to 251,249.24, 346,725.29 and 136,528.78 is: 188,410.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,249.24 : 346,725.29 = 136,528.78 : x
  2. Step 2: Convert to fraction form
    251,249.24/346,725.29 = 136,528.78/x
  3. Step 3: Cross multiply
    251,249.24x = 346,725.29 × 136,528.78
  4. Step 4: Simplify right side
    251,249.24x = 47,337,980,838.85
  5. Step 5: Solve for x
    x = 47,337,980,838.85/251,249.24
  6. Step 6: Final answer
    x = 188,410.44

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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.