Home / 194,741.28-268,712.40-109,856.64

Finding the Fourth Proportional to 194,741.28, 268,712.40 and 109,856.64

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Solution

The fourth proportional to 194,741.28, 268,712.40 and 109,856.64 is: 151,584.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,741.28 : 268,712.40 = 109,856.64 : x
  2. Step 2: Convert to fraction form
    194,741.28/268,712.40 = 109,856.64/x
  3. Step 3: Cross multiply
    194,741.28x = 268,712.40 × 109,856.64
  4. Step 4: Simplify right side
    194,741.28x = 29,519,841,390.34
  5. Step 5: Solve for x
    x = 29,519,841,390.34/194,741.28
  6. Step 6: Final answer
    x = 151,584.92

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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.