Home / 194,779.68-268,808.64-109,865.76

Finding the Fourth Proportional to 194,779.68, 268,808.64 and 109,865.76

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Solution

The fourth proportional to 194,779.68, 268,808.64 and 109,865.76 is: 151,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,779.68 : 268,808.64 = 109,865.76 : x
  2. Step 2: Convert to fraction form
    194,779.68/268,808.64 = 109,865.76/x
  3. Step 3: Cross multiply
    194,779.68x = 268,808.64 × 109,865.76
  4. Step 4: Simplify right side
    194,779.68x = 29,532,865,528.17
  5. Step 5: Solve for x
    x = 29,532,865,528.17/194,779.68
  6. Step 6: Final answer
    x = 151,621.90

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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.