Home / 319,046.22-440,293.86-183,105

Finding the Fourth Proportional to 319,046.22, 440,293.86 and 183,105

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Solution

The fourth proportional to 319,046.22, 440,293.86 and 183,105 is: 252,690.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,046.22 : 440,293.86 = 183,105 : x
  2. Step 2: Convert to fraction form
    319,046.22/440,293.86 = 183,105/x
  3. Step 3: Cross multiply
    319,046.22x = 440,293.86 × 183,105
  4. Step 4: Simplify right side
    319,046.22x = 80,620,007,235.30
  5. Step 5: Solve for x
    x = 80,620,007,235.30/319,046.22
  6. Step 6: Final answer
    x = 252,690.68

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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.