Home / 156,945.80-235,073.10-109,944.20

Finding the Fourth Proportional to 156,945.80, 235,073.10 and 109,944.20

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Solution

The fourth proportional to 156,945.80, 235,073.10 and 109,944.20 is: 164,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,945.80 : 235,073.10 = 109,944.20 : x
  2. Step 2: Convert to fraction form
    156,945.80/235,073.10 = 109,944.20/x
  3. Step 3: Cross multiply
    156,945.80x = 235,073.10 × 109,944.20
  4. Step 4: Simplify right side
    156,945.80x = 25,844,923,921.02
  5. Step 5: Solve for x
    x = 25,844,923,921.02/156,945.80
  6. Step 6: Final answer
    x = 164,674.20

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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.