Home / 157,414.36-236,191.32-82,516.62

Finding the Fourth Proportional to 157,414.36, 236,191.32 and 82,516.62

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Solution

The fourth proportional to 157,414.36, 236,191.32 and 82,516.62 is: 123,811.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,414.36 : 236,191.32 = 82,516.62 : x
  2. Step 2: Convert to fraction form
    157,414.36/236,191.32 = 82,516.62/x
  3. Step 3: Cross multiply
    157,414.36x = 236,191.32 × 82,516.62
  4. Step 4: Simplify right side
    157,414.36x = 19,489,709,399.74
  5. Step 5: Solve for x
    x = 19,489,709,399.74/157,414.36
  6. Step 6: Final answer
    x = 123,811.51

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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.