Home / 125,126.82-187,580.22-65,028.78

Finding the Fourth Proportional to 125,126.82, 187,580.22 and 65,028.78

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Solution

The fourth proportional to 125,126.82, 187,580.22 and 65,028.78 is: 97,486.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,126.82 : 187,580.22 = 65,028.78 : x
  2. Step 2: Convert to fraction form
    125,126.82/187,580.22 = 65,028.78/x
  3. Step 3: Cross multiply
    125,126.82x = 187,580.22 × 65,028.78
  4. Step 4: Simplify right side
    125,126.82x = 12,198,112,858.73
  5. Step 5: Solve for x
    x = 12,198,112,858.73/125,126.82
  6. Step 6: Final answer
    x = 97,486.00

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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.