Home / 131,721.70-197,591.79-52,835.93

Finding the Fourth Proportional to 131,721.70, 197,591.79 and 52,835.93

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Solution

The fourth proportional to 131,721.70, 197,591.79 and 52,835.93 is: 79,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,721.70 : 197,591.79 = 52,835.93 : x
  2. Step 2: Convert to fraction form
    131,721.70/197,591.79 = 52,835.93/x
  3. Step 3: Cross multiply
    131,721.70x = 197,591.79 × 52,835.93
  4. Step 4: Simplify right side
    131,721.70x = 10,439,945,985.01
  5. Step 5: Solve for x
    x = 10,439,945,985.01/131,721.70
  6. Step 6: Final answer
    x = 79,257.60

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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.