Home / 196,012.90-294,167.32-143,558.38

Finding the Fourth Proportional to 196,012.90, 294,167.32 and 143,558.38

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Solution

The fourth proportional to 196,012.90, 294,167.32 and 143,558.38 is: 215,445.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,012.90 : 294,167.32 = 143,558.38 : x
  2. Step 2: Convert to fraction form
    196,012.90/294,167.32 = 143,558.38/x
  3. Step 3: Cross multiply
    196,012.90x = 294,167.32 × 143,558.38
  4. Step 4: Simplify right side
    196,012.90x = 42,230,183,908.14
  5. Step 5: Solve for x
    x = 42,230,183,908.14/196,012.90
  6. Step 6: Final answer
    x = 215,445.94

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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.