Home / 154,643.25-231,846.54-107,121.76

Finding the Fourth Proportional to 154,643.25, 231,846.54 and 107,121.76

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Solution

The fourth proportional to 154,643.25, 231,846.54 and 107,121.76 is: 160,600.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,643.25 : 231,846.54 = 107,121.76 : x
  2. Step 2: Convert to fraction form
    154,643.25/231,846.54 = 107,121.76/x
  3. Step 3: Cross multiply
    154,643.25x = 231,846.54 × 107,121.76
  4. Step 4: Simplify right side
    154,643.25x = 24,835,809,414.71
  5. Step 5: Solve for x
    x = 24,835,809,414.71/154,643.25
  6. Step 6: Final answer
    x = 160,600.67

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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.