Home / 167,505.90-231,159.06-91,025.58

Finding the Fourth Proportional to 167,505.90, 231,159.06 and 91,025.58

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Solution

The fourth proportional to 167,505.90, 231,159.06 and 91,025.58 is: 125,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,505.90 : 231,159.06 = 91,025.58 : x
  2. Step 2: Convert to fraction form
    167,505.90/231,159.06 = 91,025.58/x
  3. Step 3: Cross multiply
    167,505.90x = 231,159.06 × 91,025.58
  4. Step 4: Simplify right side
    167,505.90x = 21,041,387,508.75
  5. Step 5: Solve for x
    x = 21,041,387,508.75/167,505.90
  6. Step 6: Final answer
    x = 125,615.80

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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.