Home / 194,686.88-268,667.52-109,803.68

Finding the Fourth Proportional to 194,686.88, 268,667.52 and 109,803.68

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Solution

The fourth proportional to 194,686.88, 268,667.52 and 109,803.68 is: 151,528.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,686.88 : 268,667.52 = 109,803.68 : x
  2. Step 2: Convert to fraction form
    194,686.88/268,667.52 = 109,803.68/x
  3. Step 3: Cross multiply
    194,686.88x = 268,667.52 × 109,803.68
  4. Step 4: Simplify right side
    194,686.88x = 29,500,682,392.47
  5. Step 5: Solve for x
    x = 29,500,682,392.47/194,686.88
  6. Step 6: Final answer
    x = 151,528.87

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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.