Home / 354,738.54-531,791.36-130,046.50

Finding the Fourth Proportional to 354,738.54, 531,791.36 and 130,046.50

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Solution

The fourth proportional to 354,738.54, 531,791.36 and 130,046.50 is: 194,953.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,738.54 : 531,791.36 = 130,046.50 : x
  2. Step 2: Convert to fraction form
    354,738.54/531,791.36 = 130,046.50/x
  3. Step 3: Cross multiply
    354,738.54x = 531,791.36 × 130,046.50
  4. Step 4: Simplify right side
    354,738.54x = 69,157,605,600.42
  5. Step 5: Solve for x
    x = 69,157,605,600.42/354,738.54
  6. Step 6: Final answer
    x = 194,953.74

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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.