Home / 111,031.23-166,540.37-27,918.75

Finding the Fourth Proportional to 111,031.23, 166,540.37 and 27,918.75

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Solution

The fourth proportional to 111,031.23, 166,540.37 and 27,918.75 is: 41,876.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,031.23 : 166,540.37 = 27,918.75 : x
  2. Step 2: Convert to fraction form
    111,031.23/166,540.37 = 27,918.75/x
  3. Step 3: Cross multiply
    111,031.23x = 166,540.37 × 27,918.75
  4. Step 4: Simplify right side
    111,031.23x = 4,649,598,815.34
  5. Step 5: Solve for x
    x = 4,649,598,815.34/111,031.23
  6. Step 6: Final answer
    x = 41,876.50

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1.5x scale

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.