Home / 156,198.70-234,249.54-56,345.90

Finding the Fourth Proportional to 156,198.70, 234,249.54 and 56,345.90

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Solution

The fourth proportional to 156,198.70, 234,249.54 and 56,345.90 is: 84,501.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,198.70 : 234,249.54 = 56,345.90 : x
  2. Step 2: Convert to fraction form
    156,198.70/234,249.54 = 56,345.90/x
  3. Step 3: Cross multiply
    156,198.70x = 234,249.54 × 56,345.90
  4. Step 4: Simplify right side
    156,198.70x = 13,198,999,773.34
  5. Step 5: Solve for x
    x = 13,198,999,773.34/156,198.70
  6. Step 6: Final answer
    x = 84,501.34

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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.