Home / 167,934.36-231,739.74-100,853.40

Finding the Fourth Proportional to 167,934.36, 231,739.74 and 100,853.40

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Solution

The fourth proportional to 167,934.36, 231,739.74 and 100,853.40 is: 139,171.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,934.36 : 231,739.74 = 100,853.40 : x
  2. Step 2: Convert to fraction form
    167,934.36/231,739.74 = 100,853.40/x
  3. Step 3: Cross multiply
    167,934.36x = 231,739.74 × 100,853.40
  4. Step 4: Simplify right side
    167,934.36x = 23,371,740,694.12
  5. Step 5: Solve for x
    x = 23,371,740,694.12/167,934.36
  6. Step 6: Final answer
    x = 139,171.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.