Home / 119,900.15-165,460.22-66,183.78

Finding the Fourth Proportional to 119,900.15, 165,460.22 and 66,183.78

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Solution

The fourth proportional to 119,900.15, 165,460.22 and 66,183.78 is: 91,332.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,900.15 : 165,460.22 = 66,183.78 : x
  2. Step 2: Convert to fraction form
    119,900.15/165,460.22 = 66,183.78/x
  3. Step 3: Cross multiply
    119,900.15x = 165,460.22 × 66,183.78
  4. Step 4: Simplify right side
    119,900.15x = 10,950,783,336.98
  5. Step 5: Solve for x
    x = 10,950,783,336.98/119,900.15
  6. Step 6: Final answer
    x = 91,332.53

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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.