Home / 157,183.11-235,642.41-68,369.72

Finding the Fourth Proportional to 157,183.11, 235,642.41 and 68,369.72

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Solution

The fourth proportional to 157,183.11, 235,642.41 and 68,369.72 is: 102,497.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,183.11 : 235,642.41 = 68,369.72 : x
  2. Step 2: Convert to fraction form
    157,183.11/235,642.41 = 68,369.72/x
  3. Step 3: Cross multiply
    157,183.11x = 235,642.41 × 68,369.72
  4. Step 4: Simplify right side
    157,183.11x = 16,110,805,591.83
  5. Step 5: Solve for x
    x = 16,110,805,591.83/157,183.11
  6. Step 6: Final answer
    x = 102,497.05

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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.