Home / 102,106.17-153,183.56-100,411.38

Finding the Fourth Proportional to 102,106.17, 153,183.56 and 100,411.38

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Solution

The fourth proportional to 102,106.17, 153,183.56 and 100,411.38 is: 150,640.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,106.17 : 153,183.56 = 100,411.38 : x
  2. Step 2: Convert to fraction form
    102,106.17/153,183.56 = 100,411.38/x
  3. Step 3: Cross multiply
    102,106.17x = 153,183.56 × 100,411.38
  4. Step 4: Simplify right side
    102,106.17x = 15,381,372,150.86
  5. Step 5: Solve for x
    x = 15,381,372,150.86/102,106.17
  6. Step 6: Final answer
    x = 150,640.97

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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.