Home / 167,656.18-231,361.35-91,174.36

Finding the Fourth Proportional to 167,656.18, 231,361.35 and 91,174.36

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Solution

The fourth proportional to 167,656.18, 231,361.35 and 91,174.36 is: 125,818.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,656.18 : 231,361.35 = 91,174.36 : x
  2. Step 2: Convert to fraction form
    167,656.18/231,361.35 = 91,174.36/x
  3. Step 3: Cross multiply
    167,656.18x = 231,361.35 × 91,174.36
  4. Step 4: Simplify right side
    167,656.18x = 21,094,223,014.99
  5. Step 5: Solve for x
    x = 21,094,223,014.99/167,656.18
  6. Step 6: Final answer
    x = 125,818.34

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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.