Home / 166,822.50-230,215.06-91,373.70

Finding the Fourth Proportional to 166,822.50, 230,215.06 and 91,373.70

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Solution

The fourth proportional to 166,822.50, 230,215.06 and 91,373.70 is: 126,095.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,822.50 : 230,215.06 = 91,373.70 : x
  2. Step 2: Convert to fraction form
    166,822.50/230,215.06 = 91,373.70/x
  3. Step 3: Cross multiply
    166,822.50x = 230,215.06 × 91,373.70
  4. Step 4: Simplify right side
    166,822.50x = 21,035,601,827.92
  5. Step 5: Solve for x
    x = 21,035,601,827.92/166,822.50
  6. Step 6: Final answer
    x = 126,095.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.