Home / 102,611.76-154,151.22-74,236.26

Finding the Fourth Proportional to 102,611.76, 154,151.22 and 74,236.26

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Solution

The fourth proportional to 102,611.76, 154,151.22 and 74,236.26 is: 111,523.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,611.76 : 154,151.22 = 74,236.26 : x
  2. Step 2: Convert to fraction form
    102,611.76/154,151.22 = 74,236.26/x
  3. Step 3: Cross multiply
    102,611.76x = 154,151.22 × 74,236.26
  4. Step 4: Simplify right side
    102,611.76x = 11,443,610,047.24
  5. Step 5: Solve for x
    x = 11,443,610,047.24/102,611.76
  6. Step 6: Final answer
    x = 111,523.38

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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.