Home / 156,866.60-235,336.80-51,685.56

Finding the Fourth Proportional to 156,866.60, 235,336.80 and 51,685.56

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Solution

The fourth proportional to 156,866.60, 235,336.80 and 51,685.56 is: 77,540.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,866.60 : 235,336.80 = 51,685.56 : x
  2. Step 2: Convert to fraction form
    156,866.60/235,336.80 = 51,685.56/x
  3. Step 3: Cross multiply
    156,866.60x = 235,336.80 × 51,685.56
  4. Step 4: Simplify right side
    156,866.60x = 12,163,514,884.95
  5. Step 5: Solve for x
    x = 12,163,514,884.95/156,866.60
  6. Step 6: Final answer
    x = 77,540.50

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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.