Home / 167,854.37-231,631.79-91,373.58

Finding the Fourth Proportional to 167,854.37, 231,631.79 and 91,373.58

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Solution

The fourth proportional to 167,854.37, 231,631.79 and 91,373.58 is: 126,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,854.37 : 231,631.79 = 91,373.58 : x
  2. Step 2: Convert to fraction form
    167,854.37/231,631.79 = 91,373.58/x
  3. Step 3: Cross multiply
    167,854.37x = 231,631.79 × 91,373.58
  4. Step 4: Simplify right side
    167,854.37x = 21,165,025,437.24
  5. Step 5: Solve for x
    x = 21,165,025,437.24/167,854.37
  6. Step 6: Final answer
    x = 126,091.60

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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.