Home / 167,643.54-231,307.47-106,367.36

Finding the Fourth Proportional to 167,643.54, 231,307.47 and 106,367.36

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Solution

The fourth proportional to 167,643.54, 231,307.47 and 106,367.36 is: 146,761.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,643.54 : 231,307.47 = 106,367.36 : x
  2. Step 2: Convert to fraction form
    167,643.54/231,307.47 = 106,367.36/x
  3. Step 3: Cross multiply
    167,643.54x = 231,307.47 × 106,367.36
  4. Step 4: Simplify right side
    167,643.54x = 24,603,563,775.64
  5. Step 5: Solve for x
    x = 24,603,563,775.64/167,643.54
  6. Step 6: Final answer
    x = 146,761.18

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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.