Home / 111,147.08-166,731.62-36,264.20

Finding the Fourth Proportional to 111,147.08, 166,731.62 and 36,264.20

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Solution

The fourth proportional to 111,147.08, 166,731.62 and 36,264.20 is: 54,399.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,147.08 : 166,731.62 = 36,264.20 : x
  2. Step 2: Convert to fraction form
    111,147.08/166,731.62 = 36,264.20/x
  3. Step 3: Cross multiply
    111,147.08x = 166,731.62 × 36,264.20
  4. Step 4: Simplify right side
    111,147.08x = 6,046,387,799.02
  5. Step 5: Solve for x
    x = 6,046,387,799.02/111,147.08
  6. Step 6: Final answer
    x = 54,399.88

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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.