Home / 157,181.11-235,639.41-68,367.72

Finding the Fourth Proportional to 157,181.11, 235,639.41 and 68,367.72

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Solution

The fourth proportional to 157,181.11, 235,639.41 and 68,367.72 is: 102,494.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,181.11 : 235,639.41 = 68,367.72 : x
  2. Step 2: Convert to fraction form
    157,181.11/235,639.41 = 68,367.72/x
  3. Step 3: Cross multiply
    157,181.11x = 235,639.41 × 68,367.72
  4. Step 4: Simplify right side
    157,181.11x = 16,110,129,203.85
  5. Step 5: Solve for x
    x = 16,110,129,203.85/157,181.11
  6. Step 6: Final answer
    x = 102,494.06

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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.