Home / 271,621.62-407,434.73-103,096.70

Finding the Fourth Proportional to 271,621.62, 407,434.73 and 103,096.70

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Solution

The fourth proportional to 271,621.62, 407,434.73 and 103,096.70 is: 154,645.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,621.62 : 407,434.73 = 103,096.70 : x
  2. Step 2: Convert to fraction form
    271,621.62/407,434.73 = 103,096.70/x
  3. Step 3: Cross multiply
    271,621.62x = 407,434.73 × 103,096.70
  4. Step 4: Simplify right side
    271,621.62x = 42,005,176,128.39
  5. Step 5: Solve for x
    x = 42,005,176,128.39/271,621.62
  6. Step 6: Final answer
    x = 154,645.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.