Home / 156,778.78-235,118.49-51,573.28

Finding the Fourth Proportional to 156,778.78, 235,118.49 and 51,573.28

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Solution

The fourth proportional to 156,778.78, 235,118.49 and 51,573.28 is: 77,343.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,778.78 : 235,118.49 = 51,573.28 : x
  2. Step 2: Convert to fraction form
    156,778.78/235,118.49 = 51,573.28/x
  3. Step 3: Cross multiply
    156,778.78x = 235,118.49 × 51,573.28
  4. Step 4: Simplify right side
    156,778.78x = 12,125,831,717.95
  5. Step 5: Solve for x
    x = 12,125,831,717.95/156,778.78
  6. Step 6: Final answer
    x = 77,343.58

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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.