Home / 136,091.82-187,790.29-75,654.72

Finding the Fourth Proportional to 136,091.82, 187,790.29 and 75,654.72

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Solution

The fourth proportional to 136,091.82, 187,790.29 and 75,654.72 is: 104,394.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,091.82 : 187,790.29 = 75,654.72 : x
  2. Step 2: Convert to fraction form
    136,091.82/187,790.29 = 75,654.72/x
  3. Step 3: Cross multiply
    136,091.82x = 187,790.29 × 75,654.72
  4. Step 4: Simplify right side
    136,091.82x = 14,207,221,808.67
  5. Step 5: Solve for x
    x = 14,207,221,808.67/136,091.82
  6. Step 6: Final answer
    x = 104,394.38

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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.