Home / 236,680.18-354,812.91-89,039.86

Finding the Fourth Proportional to 236,680.18, 354,812.91 and 89,039.86

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Solution

The fourth proportional to 236,680.18, 354,812.91 and 89,039.86 is: 133,481.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,680.18 : 354,812.91 = 89,039.86 : x
  2. Step 2: Convert to fraction form
    236,680.18/354,812.91 = 89,039.86/x
  3. Step 3: Cross multiply
    236,680.18x = 354,812.91 × 89,039.86
  4. Step 4: Simplify right side
    236,680.18x = 31,592,491,832.59
  5. Step 5: Solve for x
    x = 31,592,491,832.59/236,680.18
  6. Step 6: Final answer
    x = 133,481.78

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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.