Home / 234,174.85-323,169.12-143,513.30

Finding the Fourth Proportional to 234,174.85, 323,169.12 and 143,513.30

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Solution

The fourth proportional to 234,174.85, 323,169.12 and 143,513.30 is: 198,053.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,174.85 : 323,169.12 = 143,513.30 : x
  2. Step 2: Convert to fraction form
    234,174.85/323,169.12 = 143,513.30/x
  3. Step 3: Cross multiply
    234,174.85x = 323,169.12 × 143,513.30
  4. Step 4: Simplify right side
    234,174.85x = 46,379,066,869.30
  5. Step 5: Solve for x
    x = 46,379,066,869.30/234,174.85
  6. Step 6: Final answer
    x = 198,053.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.