Home / 154,924.74-231,800.67-91,778.76

Finding the Fourth Proportional to 154,924.74, 231,800.67 and 91,778.76

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Solution

The fourth proportional to 154,924.74, 231,800.67 and 91,778.76 is: 137,320.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,924.74 : 231,800.67 = 91,778.76 : x
  2. Step 2: Convert to fraction form
    154,924.74/231,800.67 = 91,778.76/x
  3. Step 3: Cross multiply
    154,924.74x = 231,800.67 × 91,778.76
  4. Step 4: Simplify right side
    154,924.74x = 21,274,378,059.77
  5. Step 5: Solve for x
    x = 21,274,378,059.77/154,924.74
  6. Step 6: Final answer
    x = 137,320.73

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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.