Home / 251,037.72-346,434.30-137,861.28

Finding the Fourth Proportional to 251,037.72, 346,434.30 and 137,861.28

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Solution

The fourth proportional to 251,037.72, 346,434.30 and 137,861.28 is: 190,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,037.72 : 346,434.30 = 137,861.28 : x
  2. Step 2: Convert to fraction form
    251,037.72/346,434.30 = 137,861.28/x
  3. Step 3: Cross multiply
    251,037.72x = 346,434.30 × 137,861.28
  4. Step 4: Simplify right side
    251,037.72x = 47,759,876,033.90
  5. Step 5: Solve for x
    x = 47,759,876,033.90/251,037.72
  6. Step 6: Final answer
    x = 190,249.80

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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.