Home / 156,761.78-235,092.99-51,556.28

Finding the Fourth Proportional to 156,761.78, 235,092.99 and 51,556.28

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Solution

The fourth proportional to 156,761.78, 235,092.99 and 51,556.28 is: 77,318.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,761.78 : 235,092.99 = 51,556.28 : x
  2. Step 2: Convert to fraction form
    156,761.78/235,092.99 = 51,556.28/x
  3. Step 3: Cross multiply
    156,761.78x = 235,092.99 × 51,556.28
  4. Step 4: Simplify right side
    156,761.78x = 12,120,520,018.48
  5. Step 5: Solve for x
    x = 12,120,520,018.48/156,761.78
  6. Step 6: Final answer
    x = 77,318.08

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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.