Home / 123,599.05-185,186.66-82,996.45

Finding the Fourth Proportional to 123,599.05, 185,186.66 and 82,996.45

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Solution

The fourth proportional to 123,599.05, 185,186.66 and 82,996.45 is: 124,352.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,599.05 : 185,186.66 = 82,996.45 : x
  2. Step 2: Convert to fraction form
    123,599.05/185,186.66 = 82,996.45/x
  3. Step 3: Cross multiply
    123,599.05x = 185,186.66 × 82,996.45
  4. Step 4: Simplify right side
    123,599.05x = 15,369,834,956.26
  5. Step 5: Solve for x
    x = 15,369,834,956.26/123,599.05
  6. Step 6: Final answer
    x = 124,352.37

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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.