Home / 131,381.92-197,083.74-56,503.84

Finding the Fourth Proportional to 131,381.92, 197,083.74 and 56,503.84

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Solution

The fourth proportional to 131,381.92, 197,083.74 and 56,503.84 is: 84,760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,381.92 : 197,083.74 = 56,503.84 : x
  2. Step 2: Convert to fraction form
    131,381.92/197,083.74 = 56,503.84/x
  3. Step 3: Cross multiply
    131,381.92x = 197,083.74 × 56,503.84
  4. Step 4: Simplify right side
    131,381.92x = 11,135,988,111.56
  5. Step 5: Solve for x
    x = 11,135,988,111.56/131,381.92
  6. Step 6: Final answer
    x = 84,760.43

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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.