Home / 251,170.12-346,613.38-136,447.85

Finding the Fourth Proportional to 251,170.12, 346,613.38 and 136,447.85

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Solution

The fourth proportional to 251,170.12, 346,613.38 and 136,447.85 is: 188,297.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,170.12 : 346,613.38 = 136,447.85 : x
  2. Step 2: Convert to fraction form
    251,170.12/346,613.38 = 136,447.85/x
  3. Step 3: Cross multiply
    251,170.12x = 346,613.38 × 136,447.85
  4. Step 4: Simplify right side
    251,170.12x = 47,294,650,482.23
  5. Step 5: Solve for x
    x = 47,294,650,482.23/251,170.12
  6. Step 6: Final answer
    x = 188,297.28

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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.