Home / 175,398.03-263,053.26-68,803.65

Finding the Fourth Proportional to 175,398.03, 263,053.26 and 68,803.65

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Solution

The fourth proportional to 175,398.03, 263,053.26 and 68,803.65 is: 103,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,398.03 : 263,053.26 = 68,803.65 : x
  2. Step 2: Convert to fraction form
    175,398.03/263,053.26 = 68,803.65/x
  3. Step 3: Cross multiply
    175,398.03x = 263,053.26 × 68,803.65
  4. Step 4: Simplify right side
    175,398.03x = 18,099,024,432.40
  5. Step 5: Solve for x
    x = 18,099,024,432.40/175,398.03
  6. Step 6: Final answer
    x = 103,188.30

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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.