Home / 251,111.64-346,536.60-136,391.39

Finding the Fourth Proportional to 251,111.64, 346,536.60 and 136,391.39

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Solution

The fourth proportional to 251,111.64, 346,536.60 and 136,391.39 is: 188,221.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,111.64 : 346,536.60 = 136,391.39 : x
  2. Step 2: Convert to fraction form
    251,111.64/346,536.60 = 136,391.39/x
  3. Step 3: Cross multiply
    251,111.64x = 346,536.60 × 136,391.39
  4. Step 4: Simplify right side
    251,111.64x = 47,264,608,559.87
  5. Step 5: Solve for x
    x = 47,264,608,559.87/251,111.64
  6. Step 6: Final answer
    x = 188,221.50

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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.