Home / 156,824.56-235,236.48-68,066.56

Finding the Fourth Proportional to 156,824.56, 235,236.48 and 68,066.56

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Solution

The fourth proportional to 156,824.56, 235,236.48 and 68,066.56 is: 102,099.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,824.56 : 235,236.48 = 68,066.56 : x
  2. Step 2: Convert to fraction form
    156,824.56/235,236.48 = 68,066.56/x
  3. Step 3: Cross multiply
    156,824.56x = 235,236.48 × 68,066.56
  4. Step 4: Simplify right side
    156,824.56x = 16,011,737,980.11
  5. Step 5: Solve for x
    x = 16,011,737,980.11/156,824.56
  6. Step 6: Final answer
    x = 102,099.68

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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.