Home / 131,723.91-197,586-61,652.43

Finding the Fourth Proportional to 131,723.91, 197,586 and 61,652.43

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Solution

The fourth proportional to 131,723.91, 197,586 and 61,652.43 is: 92,478.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,723.91 : 197,586 = 61,652.43 : x
  2. Step 2: Convert to fraction form
    131,723.91/197,586 = 61,652.43/x
  3. Step 3: Cross multiply
    131,723.91x = 197,586 × 61,652.43
  4. Step 4: Simplify right side
    131,723.91x = 12,181,657,033.98
  5. Step 5: Solve for x
    x = 12,181,657,033.98/131,723.91
  6. Step 6: Final answer
    x = 92,478.71

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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.