Home / 157,181.36-235,639.78-68,367.97

Finding the Fourth Proportional to 157,181.36, 235,639.78 and 68,367.97

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Solution

The fourth proportional to 157,181.36, 235,639.78 and 68,367.97 is: 102,494.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,181.36 : 235,639.78 = 68,367.97 : x
  2. Step 2: Convert to fraction form
    157,181.36/235,639.78 = 68,367.97/x
  3. Step 3: Cross multiply
    157,181.36x = 235,639.78 × 68,367.97
  4. Step 4: Simplify right side
    157,181.36x = 16,110,213,409.85
  5. Step 5: Solve for x
    x = 16,110,213,409.85/157,181.36
  6. Step 6: Final answer
    x = 102,494.43

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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.