Home / 175,633.61-263,343.62-68,889.65

Finding the Fourth Proportional to 175,633.61, 263,343.62 and 68,889.65

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Solution

The fourth proportional to 175,633.61, 263,343.62 and 68,889.65 is: 103,292.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,633.61 : 263,343.62 = 68,889.65 : x
  2. Step 2: Convert to fraction form
    175,633.61/263,343.62 = 68,889.65/x
  3. Step 3: Cross multiply
    175,633.61x = 263,343.62 × 68,889.65
  4. Step 4: Simplify right side
    175,633.61x = 18,141,648,667.04
  5. Step 5: Solve for x
    x = 18,141,648,667.04/175,633.61
  6. Step 6: Final answer
    x = 103,292.58

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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.