Home / 156,226.86-234,152.37-89,709.66

Finding the Fourth Proportional to 156,226.86, 234,152.37 and 89,709.66

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Solution

The fourth proportional to 156,226.86, 234,152.37 and 89,709.66 is: 134,456.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,226.86 : 234,152.37 = 89,709.66 : x
  2. Step 2: Convert to fraction form
    156,226.86/234,152.37 = 89,709.66/x
  3. Step 3: Cross multiply
    156,226.86x = 234,152.37 × 89,709.66
  4. Step 4: Simplify right side
    156,226.86x = 21,005,729,500.89
  5. Step 5: Solve for x
    x = 21,005,729,500.89/156,226.86
  6. Step 6: Final answer
    x = 134,456.58

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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.