Home / 156,941.78-235,379.46-51,735.74

Finding the Fourth Proportional to 156,941.78, 235,379.46 and 51,735.74

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Solution

The fourth proportional to 156,941.78, 235,379.46 and 51,735.74 is: 77,592.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,941.78 : 235,379.46 = 51,735.74 : x
  2. Step 2: Convert to fraction form
    156,941.78/235,379.46 = 51,735.74/x
  3. Step 3: Cross multiply
    156,941.78x = 235,379.46 × 51,735.74
  4. Step 4: Simplify right side
    156,941.78x = 12,177,530,543.90
  5. Step 5: Solve for x
    x = 12,177,530,543.90/156,941.78
  6. Step 6: Final answer
    x = 77,592.66

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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.