Home / 192,711.19-265,876.86-112,121.46

Finding the Fourth Proportional to 192,711.19, 265,876.86 and 112,121.46

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Solution

The fourth proportional to 192,711.19, 265,876.86 and 112,121.46 is: 154,690.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,711.19 : 265,876.86 = 112,121.46 : x
  2. Step 2: Convert to fraction form
    192,711.19/265,876.86 = 112,121.46/x
  3. Step 3: Cross multiply
    192,711.19x = 265,876.86 × 112,121.46
  4. Step 4: Simplify right side
    192,711.19x = 29,810,501,723.42
  5. Step 5: Solve for x
    x = 29,810,501,723.42/192,711.19
  6. Step 6: Final answer
    x = 154,690.04

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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.