Home / 161,760.64-242,777.28-68,333.44

Finding the Fourth Proportional to 161,760.64, 242,777.28 and 68,333.44

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Solution

The fourth proportional to 161,760.64, 242,777.28 and 68,333.44 is: 102,557.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,760.64 : 242,777.28 = 68,333.44 : x
  2. Step 2: Convert to fraction form
    161,760.64/242,777.28 = 68,333.44/x
  3. Step 3: Cross multiply
    161,760.64x = 242,777.28 × 68,333.44
  4. Step 4: Simplify right side
    161,760.64x = 16,589,806,696.24
  5. Step 5: Solve for x
    x = 16,589,806,696.24/161,760.64
  6. Step 6: Final answer
    x = 102,557.75

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1.5x scale

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.