Home / 143,669.72-215,578.40-63,762.44

Finding the Fourth Proportional to 143,669.72, 215,578.40 and 63,762.44

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Solution

The fourth proportional to 143,669.72, 215,578.40 and 63,762.44 is: 95,676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,669.72 : 215,578.40 = 63,762.44 : x
  2. Step 2: Convert to fraction form
    143,669.72/215,578.40 = 63,762.44/x
  3. Step 3: Cross multiply
    143,669.72x = 215,578.40 × 63,762.44
  4. Step 4: Simplify right side
    143,669.72x = 13,745,804,795.30
  5. Step 5: Solve for x
    x = 13,745,804,795.30/143,669.72
  6. Step 6: Final answer
    x = 95,676.42

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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.