Home / 156,990.72-235,318.32-114,193.56

Finding the Fourth Proportional to 156,990.72, 235,318.32 and 114,193.56

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Solution

The fourth proportional to 156,990.72, 235,318.32 and 114,193.56 is: 171,168.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,990.72 : 235,318.32 = 114,193.56 : x
  2. Step 2: Convert to fraction form
    156,990.72/235,318.32 = 114,193.56/x
  3. Step 3: Cross multiply
    156,990.72x = 235,318.32 × 114,193.56
  4. Step 4: Simplify right side
    156,990.72x = 26,871,836,694.02
  5. Step 5: Solve for x
    x = 26,871,836,694.02/156,990.72
  6. Step 6: Final answer
    x = 171,168.31

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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.