Home / 125,625.35-188,414.79-57,220.77

Finding the Fourth Proportional to 125,625.35, 188,414.79 and 57,220.77

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Solution

The fourth proportional to 125,625.35, 188,414.79 and 57,220.77 is: 85,820.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,625.35 : 188,414.79 = 57,220.77 : x
  2. Step 2: Convert to fraction form
    125,625.35/188,414.79 = 57,220.77/x
  3. Step 3: Cross multiply
    125,625.35x = 188,414.79 × 57,220.77
  4. Step 4: Simplify right side
    125,625.35x = 10,781,239,855.17
  5. Step 5: Solve for x
    x = 10,781,239,855.17/125,625.35
  6. Step 6: Final answer
    x = 85,820.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.