Home / 251,078.14-346,486.65-136,355.98

Finding the Fourth Proportional to 251,078.14, 346,486.65 and 136,355.98

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Solution

The fourth proportional to 251,078.14, 346,486.65 and 136,355.98 is: 188,170.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,078.14 : 346,486.65 = 136,355.98 : x
  2. Step 2: Convert to fraction form
    251,078.14/346,486.65 = 136,355.98/x
  3. Step 3: Cross multiply
    251,078.14x = 346,486.65 × 136,355.98
  4. Step 4: Simplify right side
    251,078.14x = 47,245,526,717.67
  5. Step 5: Solve for x
    x = 47,245,526,717.67/251,078.14
  6. Step 6: Final answer
    x = 188,170.61

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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.