Home / 156,799.70-235,199.57-68,051.24

Finding the Fourth Proportional to 156,799.70, 235,199.57 and 68,051.24

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Solution

The fourth proportional to 156,799.70, 235,199.57 and 68,051.24 is: 102,076.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,799.70 : 235,199.57 = 68,051.24 : x
  2. Step 2: Convert to fraction form
    156,799.70/235,199.57 = 68,051.24/x
  3. Step 3: Cross multiply
    156,799.70x = 235,199.57 × 68,051.24
  4. Step 4: Simplify right side
    156,799.70x = 16,005,622,385.97
  5. Step 5: Solve for x
    x = 16,005,622,385.97/156,799.70
  6. Step 6: Final answer
    x = 102,076.87

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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.