Home / 236,496.92-354,798.83-78,731.60

Finding the Fourth Proportional to 236,496.92, 354,798.83 and 78,731.60

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Solution

The fourth proportional to 236,496.92, 354,798.83 and 78,731.60 is: 118,115.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,496.92 : 354,798.83 = 78,731.60 : x
  2. Step 2: Convert to fraction form
    236,496.92/354,798.83 = 78,731.60/x
  3. Step 3: Cross multiply
    236,496.92x = 354,798.83 × 78,731.60
  4. Step 4: Simplify right side
    236,496.92x = 27,933,877,986.86
  5. Step 5: Solve for x
    x = 27,933,877,986.86/236,496.92
  6. Step 6: Final answer
    x = 118,115.19

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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.