Home / 352,093.20-528,180.78-127,559.32

Finding the Fourth Proportional to 352,093.20, 528,180.78 and 127,559.32

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Solution

The fourth proportional to 352,093.20, 528,180.78 and 127,559.32 is: 191,353.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,093.20 : 528,180.78 = 127,559.32 : x
  2. Step 2: Convert to fraction form
    352,093.20/528,180.78 = 127,559.32/x
  3. Step 3: Cross multiply
    352,093.20x = 528,180.78 × 127,559.32
  4. Step 4: Simplify right side
    352,093.20x = 67,374,381,133.87
  5. Step 5: Solve for x
    x = 67,374,381,133.87/352,093.20
  6. Step 6: Final answer
    x = 191,353.83

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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.