Home / 194,585.42-268,546.37-121,999.79

Finding the Fourth Proportional to 194,585.42, 268,546.37 and 121,999.79

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Solution

The fourth proportional to 194,585.42, 268,546.37 and 121,999.79 is: 168,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,585.42 : 268,546.37 = 121,999.79 : x
  2. Step 2: Convert to fraction form
    194,585.42/268,546.37 = 121,999.79/x
  3. Step 3: Cross multiply
    194,585.42x = 268,546.37 × 121,999.79
  4. Step 4: Simplify right side
    194,585.42x = 32,762,600,806.63
  5. Step 5: Solve for x
    x = 32,762,600,806.63/194,585.42
  6. Step 6: Final answer
    x = 168,371.30

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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.