Home / 189,734.70-284,930.10-101,161.20

Finding the Fourth Proportional to 189,734.70, 284,930.10 and 101,161.20

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Solution

The fourth proportional to 189,734.70, 284,930.10 and 101,161.20 is: 151,916.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,734.70 : 284,930.10 = 101,161.20 : x
  2. Step 2: Convert to fraction form
    189,734.70/284,930.10 = 101,161.20/x
  3. Step 3: Cross multiply
    189,734.70x = 284,930.10 × 101,161.20
  4. Step 4: Simplify right side
    189,734.70x = 28,823,870,832.12
  5. Step 5: Solve for x
    x = 28,823,870,832.12/189,734.70
  6. Step 6: Final answer
    x = 151,916.71

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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.