Home / 167,956.20-231,762.36-103,415.20

Finding the Fourth Proportional to 167,956.20, 231,762.36 and 103,415.20

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Solution

The fourth proportional to 167,956.20, 231,762.36 and 103,415.20 is: 142,702.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,956.20 : 231,762.36 = 103,415.20 : x
  2. Step 2: Convert to fraction form
    167,956.20/231,762.36 = 103,415.20/x
  3. Step 3: Cross multiply
    167,956.20x = 231,762.36 × 103,415.20
  4. Step 4: Simplify right side
    167,956.20x = 23,967,750,811.87
  5. Step 5: Solve for x
    x = 23,967,750,811.87/167,956.20
  6. Step 6: Final answer
    x = 142,702.39

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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.