Home / 384,035.12-576,107.36-204,073.56

Finding the Fourth Proportional to 384,035.12, 576,107.36 and 204,073.56

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Solution

The fourth proportional to 384,035.12, 576,107.36 and 204,073.56 is: 306,139.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,035.12 : 576,107.36 = 204,073.56 : x
  2. Step 2: Convert to fraction form
    384,035.12/576,107.36 = 204,073.56/x
  3. Step 3: Cross multiply
    384,035.12x = 576,107.36 × 204,073.56
  4. Step 4: Simplify right side
    384,035.12x = 117,568,279,897.40
  5. Step 5: Solve for x
    x = 117,568,279,897.40/384,035.12
  6. Step 6: Final answer
    x = 306,139.40

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1.5x scale

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.