Home / 162,905.91-224,822.78-91,292.60

Finding the Fourth Proportional to 162,905.91, 224,822.78 and 91,292.60

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Solution

The fourth proportional to 162,905.91, 224,822.78 and 91,292.60 is: 125,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,905.91 : 224,822.78 = 91,292.60 : x
  2. Step 2: Convert to fraction form
    162,905.91/224,822.78 = 91,292.60/x
  3. Step 3: Cross multiply
    162,905.91x = 224,822.78 × 91,292.60
  4. Step 4: Simplify right side
    162,905.91x = 20,524,654,544.85
  5. Step 5: Solve for x
    x = 20,524,654,544.85/162,905.91
  6. Step 6: Final answer
    x = 125,990.85

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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.