Home / 167,520.76-231,101.58-102,931.36

Finding the Fourth Proportional to 167,520.76, 231,101.58 and 102,931.36

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Solution

The fourth proportional to 167,520.76, 231,101.58 and 102,931.36 is: 141,997.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,520.76 : 231,101.58 = 102,931.36 : x
  2. Step 2: Convert to fraction form
    167,520.76/231,101.58 = 102,931.36/x
  3. Step 3: Cross multiply
    167,520.76x = 231,101.58 × 102,931.36
  4. Step 4: Simplify right side
    167,520.76x = 23,787,599,927.55
  5. Step 5: Solve for x
    x = 23,787,599,927.55/167,520.76
  6. Step 6: Final answer
    x = 141,997.92

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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.