Home / 156,939.15-235,408.73-104,177.55

Finding the Fourth Proportional to 156,939.15, 235,408.73 and 104,177.55

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Solution

The fourth proportional to 156,939.15, 235,408.73 and 104,177.55 is: 156,266.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,939.15 : 235,408.73 = 104,177.55 : x
  2. Step 2: Convert to fraction form
    156,939.15/235,408.73 = 104,177.55/x
  3. Step 3: Cross multiply
    156,939.15x = 235,408.73 × 104,177.55
  4. Step 4: Simplify right side
    156,939.15x = 24,524,304,219.12
  5. Step 5: Solve for x
    x = 24,524,304,219.12/156,939.15
  6. Step 6: Final answer
    x = 156,266.33

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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.