Home / 143,544.15-215,324.33-43,707.60

Finding the Fourth Proportional to 143,544.15, 215,324.33 and 43,707.60

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Solution

The fourth proportional to 143,544.15, 215,324.33 and 43,707.60 is: 65,563.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,544.15 : 215,324.33 = 43,707.60 : x
  2. Step 2: Convert to fraction form
    143,544.15/215,324.33 = 43,707.60/x
  3. Step 3: Cross multiply
    143,544.15x = 215,324.33 × 43,707.60
  4. Step 4: Simplify right side
    143,544.15x = 9,411,309,467.37
  5. Step 5: Solve for x
    x = 9,411,309,467.37/143,544.15
  6. Step 6: Final answer
    x = 65,563.87

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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.