Home / 219,179.16-328,504.28-106,690.86

Finding the Fourth Proportional to 219,179.16, 328,504.28 and 106,690.86

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Solution

The fourth proportional to 219,179.16, 328,504.28 and 106,690.86 is: 159,907.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,179.16 : 328,504.28 = 106,690.86 : x
  2. Step 2: Convert to fraction form
    219,179.16/328,504.28 = 106,690.86/x
  3. Step 3: Cross multiply
    219,179.16x = 328,504.28 × 106,690.86
  4. Step 4: Simplify right side
    219,179.16x = 35,048,403,613.43
  5. Step 5: Solve for x
    x = 35,048,403,613.43/219,179.16
  6. Step 6: Final answer
    x = 159,907.56

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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.