Home / 156,442.84-234,640.50-51,259.48

Finding the Fourth Proportional to 156,442.84, 234,640.50 and 51,259.48

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Solution

The fourth proportional to 156,442.84, 234,640.50 and 51,259.48 is: 76,881.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,442.84 : 234,640.50 = 51,259.48 : x
  2. Step 2: Convert to fraction form
    156,442.84/234,640.50 = 51,259.48/x
  3. Step 3: Cross multiply
    156,442.84x = 234,640.50 × 51,259.48
  4. Step 4: Simplify right side
    156,442.84x = 12,027,550,016.94
  5. Step 5: Solve for x
    x = 12,027,550,016.94/156,442.84
  6. Step 6: Final answer
    x = 76,881.43

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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.