Home / 137,586.72-206,400.57-48,832.80

Finding the Fourth Proportional to 137,586.72, 206,400.57 and 48,832.80

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Solution

The fourth proportional to 137,586.72, 206,400.57 and 48,832.80 is: 73,256.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,586.72 : 206,400.57 = 48,832.80 : x
  2. Step 2: Convert to fraction form
    137,586.72/206,400.57 = 48,832.80/x
  3. Step 3: Cross multiply
    137,586.72x = 206,400.57 × 48,832.80
  4. Step 4: Simplify right side
    137,586.72x = 10,079,117,754.70
  5. Step 5: Solve for x
    x = 10,079,117,754.70/137,586.72
  6. Step 6: Final answer
    x = 73,256.47

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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.