Home / 189,367.95-261,422.46-117,771.04

Finding the Fourth Proportional to 189,367.95, 261,422.46 and 117,771.04

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Solution

The fourth proportional to 189,367.95, 261,422.46 and 117,771.04 is: 162,582.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,367.95 : 261,422.46 = 117,771.04 : x
  2. Step 2: Convert to fraction form
    189,367.95/261,422.46 = 117,771.04/x
  3. Step 3: Cross multiply
    189,367.95x = 261,422.46 × 117,771.04
  4. Step 4: Simplify right side
    189,367.95x = 30,787,994,993.56
  5. Step 5: Solve for x
    x = 30,787,994,993.56/189,367.95
  6. Step 6: Final answer
    x = 162,582.92

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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.