Home / 143,049.72-214,538.45-53,042.97

Finding the Fourth Proportional to 143,049.72, 214,538.45 and 53,042.97

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Solution

The fourth proportional to 143,049.72, 214,538.45 and 53,042.97 is: 79,551.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,049.72 : 214,538.45 = 53,042.97 : x
  2. Step 2: Convert to fraction form
    143,049.72/214,538.45 = 53,042.97/x
  3. Step 3: Cross multiply
    143,049.72x = 214,538.45 × 53,042.97
  4. Step 4: Simplify right side
    143,049.72x = 11,379,757,106.50
  5. Step 5: Solve for x
    x = 11,379,757,106.50/143,049.72
  6. Step 6: Final answer
    x = 79,551.06

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1.5x scale

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.