Home / 156,330.54-234,524.97-51,155.28

Finding the Fourth Proportional to 156,330.54, 234,524.97 and 51,155.28

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Solution

The fourth proportional to 156,330.54, 234,524.97 and 51,155.28 is: 76,742.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,330.54 : 234,524.97 = 51,155.28 : x
  2. Step 2: Convert to fraction form
    156,330.54/234,524.97 = 51,155.28/x
  3. Step 3: Cross multiply
    156,330.54x = 234,524.97 × 51,155.28
  4. Step 4: Simplify right side
    156,330.54x = 11,997,190,507.34
  5. Step 5: Solve for x
    x = 11,997,190,507.34/156,330.54
  6. Step 6: Final answer
    x = 76,742.46

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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.