Home / 167,976.20-231,807.47-91,495.06

Finding the Fourth Proportional to 167,976.20, 231,807.47 and 91,495.06

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Solution

The fourth proportional to 167,976.20, 231,807.47 and 91,495.06 is: 126,263.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,976.20 : 231,807.47 = 91,495.06 : x
  2. Step 2: Convert to fraction form
    167,976.20/231,807.47 = 91,495.06/x
  3. Step 3: Cross multiply
    167,976.20x = 231,807.47 × 91,495.06
  4. Step 4: Simplify right side
    167,976.20x = 21,209,238,376.10
  5. Step 5: Solve for x
    x = 21,209,238,376.10/167,976.20
  6. Step 6: Final answer
    x = 126,263.35

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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.