Home / 339,385.83-468,325.13-196,155.15

Finding the Fourth Proportional to 339,385.83, 468,325.13 and 196,155.15

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Solution

The fourth proportional to 339,385.83, 468,325.13 and 196,155.15 is: 270,678.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,385.83 : 468,325.13 = 196,155.15 : x
  2. Step 2: Convert to fraction form
    339,385.83/468,325.13 = 196,155.15/x
  3. Step 3: Cross multiply
    339,385.83x = 468,325.13 × 196,155.15
  4. Step 4: Simplify right side
    339,385.83x = 91,864,384,707.91
  5. Step 5: Solve for x
    x = 91,864,384,707.91/339,385.83
  6. Step 6: Final answer
    x = 270,678.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.