Home / 121,933.10-182,662.92-89,853.89

Finding the Fourth Proportional to 121,933.10, 182,662.92 and 89,853.89

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Solution

The fourth proportional to 121,933.10, 182,662.92 and 89,853.89 is: 134,606.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,933.10 : 182,662.92 = 89,853.89 : x
  2. Step 2: Convert to fraction form
    121,933.10/182,662.92 = 89,853.89/x
  3. Step 3: Cross multiply
    121,933.10x = 182,662.92 × 89,853.89
  4. Step 4: Simplify right side
    121,933.10x = 16,412,973,007.44
  5. Step 5: Solve for x
    x = 16,412,973,007.44/121,933.10
  6. Step 6: Final answer
    x = 134,606.38

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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.