Home / 123,701.07-185,606.94-71,110.61

Finding the Fourth Proportional to 123,701.07, 185,606.94 and 71,110.61

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Solution

The fourth proportional to 123,701.07, 185,606.94 and 71,110.61 is: 106,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,701.07 : 185,606.94 = 71,110.61 : x
  2. Step 2: Convert to fraction form
    123,701.07/185,606.94 = 71,110.61/x
  3. Step 3: Cross multiply
    123,701.07x = 185,606.94 × 71,110.61
  4. Step 4: Simplify right side
    123,701.07x = 13,198,622,758.29
  5. Step 5: Solve for x
    x = 13,198,622,758.29/123,701.07
  6. Step 6: Final answer
    x = 106,697.72

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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.