Home / 111,731.20-167,561.12-36,837.38

Finding the Fourth Proportional to 111,731.20, 167,561.12 and 36,837.38

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Solution

The fourth proportional to 111,731.20, 167,561.12 and 36,837.38 is: 55,244.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,731.20 : 167,561.12 = 36,837.38 : x
  2. Step 2: Convert to fraction form
    111,731.20/167,561.12 = 36,837.38/x
  3. Step 3: Cross multiply
    111,731.20x = 167,561.12 × 36,837.38
  4. Step 4: Simplify right side
    111,731.20x = 6,172,513,161.66
  5. Step 5: Solve for x
    x = 6,172,513,161.66/111,731.20
  6. Step 6: Final answer
    x = 55,244.31

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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.