Home / 123,893.14-185,839.35-35,146.66

Finding the Fourth Proportional to 123,893.14, 185,839.35 and 35,146.66

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Solution

The fourth proportional to 123,893.14, 185,839.35 and 35,146.66 is: 52,719.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,893.14 : 185,839.35 = 35,146.66 : x
  2. Step 2: Convert to fraction form
    123,893.14/185,839.35 = 35,146.66/x
  3. Step 3: Cross multiply
    123,893.14x = 185,839.35 × 35,146.66
  4. Step 4: Simplify right side
    123,893.14x = 6,531,632,449.07
  5. Step 5: Solve for x
    x = 6,531,632,449.07/123,893.14
  6. Step 6: Final answer
    x = 52,719.89

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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.