Home / 189,846.72-284,629.48-114,949.26

Finding the Fourth Proportional to 189,846.72, 284,629.48 and 114,949.26

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Solution

The fourth proportional to 189,846.72, 284,629.48 and 114,949.26 is: 172,338.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,846.72 : 284,629.48 = 114,949.26 : x
  2. Step 2: Convert to fraction form
    189,846.72/284,629.48 = 114,949.26/x
  3. Step 3: Cross multiply
    189,846.72x = 284,629.48 × 114,949.26
  4. Step 4: Simplify right side
    189,846.72x = 32,717,947,812.81
  5. Step 5: Solve for x
    x = 32,717,947,812.81/189,846.72
  6. Step 6: Final answer
    x = 172,338.76

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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.