Home / 156,949.69-235,424.53-51,776.86

Finding the Fourth Proportional to 156,949.69, 235,424.53 and 51,776.86

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Solution

The fourth proportional to 156,949.69, 235,424.53 and 51,776.86 is: 77,665.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,949.69 : 235,424.53 = 51,776.86 : x
  2. Step 2: Convert to fraction form
    156,949.69/235,424.53 = 51,776.86/x
  3. Step 3: Cross multiply
    156,949.69x = 235,424.53 × 51,776.86
  4. Step 4: Simplify right side
    156,949.69x = 12,189,542,930.38
  5. Step 5: Solve for x
    x = 12,189,542,930.38/156,949.69
  6. Step 6: Final answer
    x = 77,665.29

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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.