Home / 158,021.89-236,997.56-45,677.12

Finding the Fourth Proportional to 158,021.89, 236,997.56 and 45,677.12

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Solution

The fourth proportional to 158,021.89, 236,997.56 and 45,677.12 is: 68,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,021.89 : 236,997.56 = 45,677.12 : x
  2. Step 2: Convert to fraction form
    158,021.89/236,997.56 = 45,677.12/x
  3. Step 3: Cross multiply
    158,021.89x = 236,997.56 × 45,677.12
  4. Step 4: Simplify right side
    158,021.89x = 10,825,364,917.03
  5. Step 5: Solve for x
    x = 10,825,364,917.03/158,021.89
  6. Step 6: Final answer
    x = 68,505.48

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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.