Home / 136,278.03-187,956.96-88,546.89

Finding the Fourth Proportional to 136,278.03, 187,956.96 and 88,546.89

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Solution

The fourth proportional to 136,278.03, 187,956.96 and 88,546.89 is: 122,125.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,278.03 : 187,956.96 = 88,546.89 : x
  2. Step 2: Convert to fraction form
    136,278.03/187,956.96 = 88,546.89/x
  3. Step 3: Cross multiply
    136,278.03x = 187,956.96 × 88,546.89
  4. Step 4: Simplify right side
    136,278.03x = 16,643,004,261.85
  5. Step 5: Solve for x
    x = 16,643,004,261.85/136,278.03
  6. Step 6: Final answer
    x = 122,125.37

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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.