Home / 123,944.90-171,037.17-70,228.73

Finding the Fourth Proportional to 123,944.90, 171,037.17 and 70,228.73

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Solution

The fourth proportional to 123,944.90, 171,037.17 and 70,228.73 is: 96,911.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,944.90 : 171,037.17 = 70,228.73 : x
  2. Step 2: Convert to fraction form
    123,944.90/171,037.17 = 70,228.73/x
  3. Step 3: Cross multiply
    123,944.90x = 171,037.17 × 70,228.73
  4. Step 4: Simplify right side
    123,944.90x = 12,011,723,659.49
  5. Step 5: Solve for x
    x = 12,011,723,659.49/123,944.90
  6. Step 6: Final answer
    x = 96,911.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.