Home / 158,704.88-237,917.18-121,431.33

Finding the Fourth Proportional to 158,704.88, 237,917.18 and 121,431.33

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Solution

The fourth proportional to 158,704.88, 237,917.18 and 121,431.33 is: 182,039.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,704.88 : 237,917.18 = 121,431.33 : x
  2. Step 2: Convert to fraction form
    158,704.88/237,917.18 = 121,431.33/x
  3. Step 3: Cross multiply
    158,704.88x = 237,917.18 × 121,431.33
  4. Step 4: Simplify right side
    158,704.88x = 28,890,598,990.09
  5. Step 5: Solve for x
    x = 28,890,598,990.09/158,704.88
  6. Step 6: Final answer
    x = 182,039.77

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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.