Home / 156,958.28-235,379.10-51,749

Finding the Fourth Proportional to 156,958.28, 235,379.10 and 51,749

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Solution

The fourth proportional to 156,958.28, 235,379.10 and 51,749 is: 77,604.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,958.28 : 235,379.10 = 51,749 : x
  2. Step 2: Convert to fraction form
    156,958.28/235,379.10 = 51,749/x
  3. Step 3: Cross multiply
    156,958.28x = 235,379.10 × 51,749
  4. Step 4: Simplify right side
    156,958.28x = 12,180,633,045.90
  5. Step 5: Solve for x
    x = 12,180,633,045.90/156,958.28
  6. Step 6: Final answer
    x = 77,604.27

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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.