Home / 156,940.60-235,425.30-51,759.80

Finding the Fourth Proportional to 156,940.60, 235,425.30 and 51,759.80

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Solution

The fourth proportional to 156,940.60, 235,425.30 and 51,759.80 is: 77,644.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,940.60 : 235,425.30 = 51,759.80 : x
  2. Step 2: Convert to fraction form
    156,940.60/235,425.30 = 51,759.80/x
  3. Step 3: Cross multiply
    156,940.60x = 235,425.30 × 51,759.80
  4. Step 4: Simplify right side
    156,940.60x = 12,185,566,442.94
  5. Step 5: Solve for x
    x = 12,185,566,442.94/156,940.60
  6. Step 6: Final answer
    x = 77,644.45

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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.