Home / 167,590.12-231,270.34-91,107.08

Finding the Fourth Proportional to 167,590.12, 231,270.34 and 91,107.08

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Solution

The fourth proportional to 167,590.12, 231,270.34 and 91,107.08 is: 125,725.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,590.12 : 231,270.34 = 91,107.08 : x
  2. Step 2: Convert to fraction form
    167,590.12/231,270.34 = 91,107.08/x
  3. Step 3: Cross multiply
    167,590.12x = 231,270.34 × 91,107.08
  4. Step 4: Simplify right side
    167,590.12x = 21,070,365,368.01
  5. Step 5: Solve for x
    x = 21,070,365,368.01/167,590.12
  6. Step 6: Final answer
    x = 125,725.58

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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.