Home / 125,177.06-187,795.13-40,936.89

Finding the Fourth Proportional to 125,177.06, 187,795.13 and 40,936.89

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Solution

The fourth proportional to 125,177.06, 187,795.13 and 40,936.89 is: 61,415.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,177.06 : 187,795.13 = 40,936.89 : x
  2. Step 2: Convert to fraction form
    125,177.06/187,795.13 = 40,936.89/x
  3. Step 3: Cross multiply
    125,177.06x = 187,795.13 × 40,936.89
  4. Step 4: Simplify right side
    125,177.06x = 7,687,749,078.89
  5. Step 5: Solve for x
    x = 7,687,749,078.89/125,177.06
  6. Step 6: Final answer
    x = 61,415.00

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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.