Home / 143,788.56-215,682.84-43,949.04

Finding the Fourth Proportional to 143,788.56, 215,682.84 and 43,949.04

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Solution

The fourth proportional to 143,788.56, 215,682.84 and 43,949.04 is: 65,923.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,788.56 : 215,682.84 = 43,949.04 : x
  2. Step 2: Convert to fraction form
    143,788.56/215,682.84 = 43,949.04/x
  3. Step 3: Cross multiply
    143,788.56x = 215,682.84 × 43,949.04
  4. Step 4: Simplify right side
    143,788.56x = 9,479,053,762.47
  5. Step 5: Solve for x
    x = 9,479,053,762.47/143,788.56
  6. Step 6: Final answer
    x = 65,923.56

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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.