Home / 154,039.52-231,043.32-104,438.24

Finding the Fourth Proportional to 154,039.52, 231,043.32 and 104,438.24

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Solution

The fourth proportional to 154,039.52, 231,043.32 and 104,438.24 is: 156,646.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,039.52 : 231,043.32 = 104,438.24 : x
  2. Step 2: Convert to fraction form
    154,039.52/231,043.32 = 104,438.24/x
  3. Step 3: Cross multiply
    154,039.52x = 231,043.32 × 104,438.24
  4. Step 4: Simplify right side
    154,039.52x = 24,129,757,704.56
  5. Step 5: Solve for x
    x = 24,129,757,704.56/154,039.52
  6. Step 6: Final answer
    x = 156,646.54

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1.5x scale

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.