Home / 161,735.76-242,716.20-66,966.42

Finding the Fourth Proportional to 161,735.76, 242,716.20 and 66,966.42

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Solution

The fourth proportional to 161,735.76, 242,716.20 and 66,966.42 is: 100,496.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,735.76 : 242,716.20 = 66,966.42 : x
  2. Step 2: Convert to fraction form
    161,735.76/242,716.20 = 66,966.42/x
  3. Step 3: Cross multiply
    161,735.76x = 242,716.20 × 66,966.42
  4. Step 4: Simplify right side
    161,735.76x = 16,253,834,990.00
  5. Step 5: Solve for x
    x = 16,253,834,990.00/161,735.76
  6. Step 6: Final answer
    x = 100,496.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.