Home / 203,516.14-305,288.78-53,754.93

Finding the Fourth Proportional to 203,516.14, 305,288.78 and 53,754.93

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Solution

The fourth proportional to 203,516.14, 305,288.78 and 53,754.93 is: 80,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,516.14 : 305,288.78 = 53,754.93 : x
  2. Step 2: Convert to fraction form
    203,516.14/305,288.78 = 53,754.93/x
  3. Step 3: Cross multiply
    203,516.14x = 305,288.78 × 53,754.93
  4. Step 4: Simplify right side
    203,516.14x = 16,410,778,277.91
  5. Step 5: Solve for x
    x = 16,410,778,277.91/203,516.14
  6. Step 6: Final answer
    x = 80,636.25

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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.