Home / 154,263.12-231,380.09-49,063.56

Finding the Fourth Proportional to 154,263.12, 231,380.09 and 49,063.56

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Solution

The fourth proportional to 154,263.12, 231,380.09 and 49,063.56 is: 73,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,263.12 : 231,380.09 = 49,063.56 : x
  2. Step 2: Convert to fraction form
    154,263.12/231,380.09 = 49,063.56/x
  3. Step 3: Cross multiply
    154,263.12x = 231,380.09 × 49,063.56
  4. Step 4: Simplify right side
    154,263.12x = 11,352,330,928.52
  5. Step 5: Solve for x
    x = 11,352,330,928.52/154,263.12
  6. Step 6: Final answer
    x = 73,590.70

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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.