Home / 236,622.32-354,909.60-78,833.84

Finding the Fourth Proportional to 236,622.32, 354,909.60 and 78,833.84

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Solution

The fourth proportional to 236,622.32, 354,909.60 and 78,833.84 is: 118,242.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,622.32 : 354,909.60 = 78,833.84 : x
  2. Step 2: Convert to fraction form
    236,622.32/354,909.60 = 78,833.84/x
  3. Step 3: Cross multiply
    236,622.32x = 354,909.60 × 78,833.84
  4. Step 4: Simplify right side
    236,622.32x = 27,978,886,620.86
  5. Step 5: Solve for x
    x = 27,978,886,620.86/236,622.32
  6. Step 6: Final answer
    x = 118,242.80

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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.