Home / 167,845.60-231,631.14-91,368.82

Finding the Fourth Proportional to 167,845.60, 231,631.14 and 91,368.82

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Solution

The fourth proportional to 167,845.60, 231,631.14 and 91,368.82 is: 126,091.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,845.60 : 231,631.14 = 91,368.82 : x
  2. Step 2: Convert to fraction form
    167,845.60/231,631.14 = 91,368.82/x
  3. Step 3: Cross multiply
    167,845.60x = 231,631.14 × 91,368.82
  4. Step 4: Simplify right side
    167,845.60x = 21,163,863,937.05
  5. Step 5: Solve for x
    x = 21,163,863,937.05/167,845.60
  6. Step 6: Final answer
    x = 126,091.26

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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.