Home / 381,033.72-571,565.16-193,826.52

Finding the Fourth Proportional to 381,033.72, 571,565.16 and 193,826.52

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Solution

The fourth proportional to 381,033.72, 571,565.16 and 193,826.52 is: 290,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,033.72 : 571,565.16 = 193,826.52 : x
  2. Step 2: Convert to fraction form
    381,033.72/571,565.16 = 193,826.52/x
  3. Step 3: Cross multiply
    381,033.72x = 571,565.16 × 193,826.52
  4. Step 4: Simplify right side
    381,033.72x = 110,784,485,916.04
  5. Step 5: Solve for x
    x = 110,784,485,916.04/381,033.72
  6. Step 6: Final answer
    x = 290,747.20

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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.