Home / 135,006.99-186,306.03-74,576.33

Finding the Fourth Proportional to 135,006.99, 186,306.03 and 74,576.33

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Solution

The fourth proportional to 135,006.99, 186,306.03 and 74,576.33 is: 102,913.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,006.99 : 186,306.03 = 74,576.33 : x
  2. Step 2: Convert to fraction form
    135,006.99/186,306.03 = 74,576.33/x
  3. Step 3: Cross multiply
    135,006.99x = 186,306.03 × 74,576.33
  4. Step 4: Simplify right side
    135,006.99x = 13,894,019,741.39
  5. Step 5: Solve for x
    x = 13,894,019,741.39/135,006.99
  6. Step 6: Final answer
    x = 102,913.34

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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.