Home / 136,072.16-204,201.12-47,324.78

Finding the Fourth Proportional to 136,072.16, 204,201.12 and 47,324.78

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Solution

The fourth proportional to 136,072.16, 204,201.12 and 47,324.78 is: 71,019.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,072.16 : 204,201.12 = 47,324.78 : x
  2. Step 2: Convert to fraction form
    136,072.16/204,201.12 = 47,324.78/x
  3. Step 3: Cross multiply
    136,072.16x = 204,201.12 × 47,324.78
  4. Step 4: Simplify right side
    136,072.16x = 9,663,773,079.75
  5. Step 5: Solve for x
    x = 9,663,773,079.75/136,072.16
  6. Step 6: Final answer
    x = 71,019.47

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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.