Home / 111,035.40-166,553.10-104,911.80

Finding the Fourth Proportional to 111,035.40, 166,553.10 and 104,911.80

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Solution

The fourth proportional to 111,035.40, 166,553.10 and 104,911.80 is: 157,367.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,035.40 : 166,553.10 = 104,911.80 : x
  2. Step 2: Convert to fraction form
    111,035.40/166,553.10 = 104,911.80/x
  3. Step 3: Cross multiply
    111,035.40x = 166,553.10 × 104,911.80
  4. Step 4: Simplify right side
    111,035.40x = 17,473,385,516.58
  5. Step 5: Solve for x
    x = 17,473,385,516.58/111,035.40
  6. Step 6: Final answer
    x = 157,367.70

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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.