Home / 156,249.54-234,403.47-51,074.28

Finding the Fourth Proportional to 156,249.54, 234,403.47 and 51,074.28

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Solution

The fourth proportional to 156,249.54, 234,403.47 and 51,074.28 is: 76,620.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,249.54 : 234,403.47 = 51,074.28 : x
  2. Step 2: Convert to fraction form
    156,249.54/234,403.47 = 51,074.28/x
  3. Step 3: Cross multiply
    156,249.54x = 234,403.47 × 51,074.28
  4. Step 4: Simplify right side
    156,249.54x = 11,971,988,459.75
  5. Step 5: Solve for x
    x = 11,971,988,459.75/156,249.54
  6. Step 6: Final answer
    x = 76,620.95

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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.