Home / 192,917.40-266,161.25-112,327.67

Finding the Fourth Proportional to 192,917.40, 266,161.25 and 112,327.67

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Solution

The fourth proportional to 192,917.40, 266,161.25 and 112,327.67 is: 154,974.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,917.40 : 266,161.25 = 112,327.67 : x
  2. Step 2: Convert to fraction form
    192,917.40/266,161.25 = 112,327.67/x
  3. Step 3: Cross multiply
    192,917.40x = 266,161.25 × 112,327.67
  4. Step 4: Simplify right side
    192,917.40x = 29,897,271,164.34
  5. Step 5: Solve for x
    x = 29,897,271,164.34/192,917.40
  6. Step 6: Final answer
    x = 154,974.47

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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.