Home / 236,171.45-354,326.20-76,243.64

Finding the Fourth Proportional to 236,171.45, 354,326.20 and 76,243.64

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Solution

The fourth proportional to 236,171.45, 354,326.20 and 76,243.64 is: 114,387.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,171.45 : 354,326.20 = 76,243.64 : x
  2. Step 2: Convert to fraction form
    236,171.45/354,326.20 = 76,243.64/x
  3. Step 3: Cross multiply
    236,171.45x = 354,326.20 × 76,243.64
  4. Step 4: Simplify right side
    236,171.45x = 27,015,117,273.13
  5. Step 5: Solve for x
    x = 27,015,117,273.13/236,171.45
  6. Step 6: Final answer
    x = 114,387.73

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1.5x scale

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.