Home / 111,986.10-167,979.15-37,117.80

Finding the Fourth Proportional to 111,986.10, 167,979.15 and 37,117.80

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Solution

The fourth proportional to 111,986.10, 167,979.15 and 37,117.80 is: 55,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,986.10 : 167,979.15 = 37,117.80 : x
  2. Step 2: Convert to fraction form
    111,986.10/167,979.15 = 37,117.80/x
  3. Step 3: Cross multiply
    111,986.10x = 167,979.15 × 37,117.80
  4. Step 4: Simplify right side
    111,986.10x = 6,235,016,493.87
  5. Step 5: Solve for x
    x = 6,235,016,493.87/111,986.10
  6. Step 6: Final answer
    x = 55,676.70

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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.