Home / 156,910.15-235,365.23-137,227.15

Finding the Fourth Proportional to 156,910.15, 235,365.23 and 137,227.15

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Solution

The fourth proportional to 156,910.15, 235,365.23 and 137,227.15 is: 205,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,910.15 : 235,365.23 = 137,227.15 : x
  2. Step 2: Convert to fraction form
    156,910.15/235,365.23 = 137,227.15/x
  3. Step 3: Cross multiply
    156,910.15x = 235,365.23 × 137,227.15
  4. Step 4: Simplify right side
    156,910.15x = 32,298,499,721.99
  5. Step 5: Solve for x
    x = 32,298,499,721.99/156,910.15
  6. Step 6: Final answer
    x = 205,840.73

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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.