Home / 166,512.18-229,807.80-109,199.70

Finding the Fourth Proportional to 166,512.18, 229,807.80 and 109,199.70

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Solution

The fourth proportional to 166,512.18, 229,807.80 and 109,199.70 is: 150,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,512.18 : 229,807.80 = 109,199.70 : x
  2. Step 2: Convert to fraction form
    166,512.18/229,807.80 = 109,199.70/x
  3. Step 3: Cross multiply
    166,512.18x = 229,807.80 × 109,199.70
  4. Step 4: Simplify right side
    166,512.18x = 25,094,942,817.66
  5. Step 5: Solve for x
    x = 25,094,942,817.66/166,512.18
  6. Step 6: Final answer
    x = 150,709.35

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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.