Home / 189,883.20-284,993.76-101,209.92

Finding the Fourth Proportional to 189,883.20, 284,993.76 and 101,209.92

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Solution

The fourth proportional to 189,883.20, 284,993.76 and 101,209.92 is: 151,904.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,883.20 : 284,993.76 = 101,209.92 : x
  2. Step 2: Convert to fraction form
    189,883.20/284,993.76 = 101,209.92/x
  3. Step 3: Cross multiply
    189,883.20x = 284,993.76 × 101,209.92
  4. Step 4: Simplify right side
    189,883.20x = 28,844,195,650.10
  5. Step 5: Solve for x
    x = 28,844,195,650.10/189,883.20
  6. Step 6: Final answer
    x = 151,904.94

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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.