Home / 143,447.34-215,169.26-64,505.82

Finding the Fourth Proportional to 143,447.34, 215,169.26 and 64,505.82

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Solution

The fourth proportional to 143,447.34, 215,169.26 and 64,505.82 is: 96,757.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,447.34 : 215,169.26 = 64,505.82 : x
  2. Step 2: Convert to fraction form
    143,447.34/215,169.26 = 64,505.82/x
  3. Step 3: Cross multiply
    143,447.34x = 215,169.26 × 64,505.82
  4. Step 4: Simplify right side
    143,447.34x = 13,879,669,232.56
  5. Step 5: Solve for x
    x = 13,879,669,232.56/143,447.34
  6. Step 6: Final answer
    x = 96,757.94

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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.