Home / 123,190.06-184,938.18-85,986.76

Finding the Fourth Proportional to 123,190.06, 184,938.18 and 85,986.76

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Solution

The fourth proportional to 123,190.06, 184,938.18 and 85,986.76 is: 129,087.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,190.06 : 184,938.18 = 85,986.76 : x
  2. Step 2: Convert to fraction form
    123,190.06/184,938.18 = 85,986.76/x
  3. Step 3: Cross multiply
    123,190.06x = 184,938.18 × 85,986.76
  4. Step 4: Simplify right side
    123,190.06x = 15,902,234,898.50
  5. Step 5: Solve for x
    x = 15,902,234,898.50/123,190.06
  6. Step 6: Final answer
    x = 129,087.00

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