Home / 156,835.39-235,120.83-68,022.00

Finding the Fourth Proportional to 156,835.39, 235,120.83 and 68,022.00

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Solution

The fourth proportional to 156,835.39, 235,120.83 and 68,022.00 is: 101,975.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,835.39 : 235,120.83 = 68,022.00 : x
  2. Step 2: Convert to fraction form
    156,835.39/235,120.83 = 68,022.00/x
  3. Step 3: Cross multiply
    156,835.39x = 235,120.83 × 68,022.00
  4. Step 4: Simplify right side
    156,835.39x = 15,993,389,504.45
  5. Step 5: Solve for x
    x = 15,993,389,504.45/156,835.39
  6. Step 6: Final answer
    x = 101,975.64

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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.