Home / 194,731.68-268,742.16-109,817.76

Finding the Fourth Proportional to 194,731.68, 268,742.16 and 109,817.76

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Solution

The fourth proportional to 194,731.68, 268,742.16 and 109,817.76 is: 151,555.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,731.68 : 268,742.16 = 109,817.76 : x
  2. Step 2: Convert to fraction form
    194,731.68/268,742.16 = 109,817.76/x
  3. Step 3: Cross multiply
    194,731.68x = 268,742.16 × 109,817.76
  4. Step 4: Simplify right side
    194,731.68x = 29,512,662,028.76
  5. Step 5: Solve for x
    x = 29,512,662,028.76/194,731.68
  6. Step 6: Final answer
    x = 151,555.53

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1.5x scale

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.