Home / 413,120.16-619,605.68-109,516.32

Finding the Fourth Proportional to 413,120.16, 619,605.68 and 109,516.32

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Solution

The fourth proportional to 413,120.16, 619,605.68 and 109,516.32 is: 164,254.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,120.16 : 619,605.68 = 109,516.32 : x
  2. Step 2: Convert to fraction form
    413,120.16/619,605.68 = 109,516.32/x
  3. Step 3: Cross multiply
    413,120.16x = 619,605.68 × 109,516.32
  4. Step 4: Simplify right side
    413,120.16x = 67,856,933,924.70
  5. Step 5: Solve for x
    x = 67,856,933,924.70/413,120.16
  6. Step 6: Final answer
    x = 164,254.71

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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.