Home / 110,953.92-166,401-51,731.76

Finding the Fourth Proportional to 110,953.92, 166,401 and 51,731.76

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Solution

The fourth proportional to 110,953.92, 166,401 and 51,731.76 is: 77,583.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,953.92 : 166,401 = 51,731.76 : x
  2. Step 2: Convert to fraction form
    110,953.92/166,401 = 51,731.76/x
  3. Step 3: Cross multiply
    110,953.92x = 166,401 × 51,731.76
  4. Step 4: Simplify right side
    110,953.92x = 8,608,216,595.76
  5. Step 5: Solve for x
    x = 8,608,216,595.76/110,953.92
  6. Step 6: Final answer
    x = 77,583.71

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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.