Home / 192,716.46-265,916.96-121,045.42

Finding the Fourth Proportional to 192,716.46, 265,916.96 and 121,045.42

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Solution

The fourth proportional to 192,716.46, 265,916.96 and 121,045.42 is: 167,022.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,716.46 : 265,916.96 = 121,045.42 : x
  2. Step 2: Convert to fraction form
    192,716.46/265,916.96 = 121,045.42/x
  3. Step 3: Cross multiply
    192,716.46x = 265,916.96 × 121,045.42
  4. Step 4: Simplify right side
    192,716.46x = 32,188,030,108.32
  5. Step 5: Solve for x
    x = 32,188,030,108.32/192,716.46
  6. Step 6: Final answer
    x = 167,022.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.