Home / 143,616.24-215,455.42-43,773.80

Finding the Fourth Proportional to 143,616.24, 215,455.42 and 43,773.80

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Solution

The fourth proportional to 143,616.24, 215,455.42 and 43,773.80 is: 65,670.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,616.24 : 215,455.42 = 43,773.80 : x
  2. Step 2: Convert to fraction form
    143,616.24/215,455.42 = 43,773.80/x
  3. Step 3: Cross multiply
    143,616.24x = 215,455.42 × 43,773.80
  4. Step 4: Simplify right side
    143,616.24x = 9,431,302,464.00
  5. Step 5: Solve for x
    x = 9,431,302,464.00/143,616.24
  6. Step 6: Final answer
    x = 65,670.17

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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.