Home / 104,150.80-143,728.19-58,828.87

Finding the Fourth Proportional to 104,150.80, 143,728.19 and 58,828.87

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Solution

The fourth proportional to 104,150.80, 143,728.19 and 58,828.87 is: 81,183.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,150.80 : 143,728.19 = 58,828.87 : x
  2. Step 2: Convert to fraction form
    104,150.80/143,728.19 = 58,828.87/x
  3. Step 3: Cross multiply
    104,150.80x = 143,728.19 × 58,828.87
  4. Step 4: Simplify right side
    104,150.80x = 8,455,367,004.85
  5. Step 5: Solve for x
    x = 8,455,367,004.85/104,150.80
  6. Step 6: Final answer
    x = 81,183.89

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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.