Home / 665,575.29-998,216.06-192,157.65

Finding the Fourth Proportional to 665,575.29, 998,216.06 and 192,157.65

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Solution

The fourth proportional to 665,575.29, 998,216.06 and 192,157.65 is: 288,194.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,575.29 : 998,216.06 = 192,157.65 : x
  2. Step 2: Convert to fraction form
    665,575.29/998,216.06 = 192,157.65/x
  3. Step 3: Cross multiply
    665,575.29x = 998,216.06 × 192,157.65
  4. Step 4: Simplify right side
    665,575.29x = 191,814,851,321.07
  5. Step 5: Solve for x
    x = 191,814,851,321.07/665,575.29
  6. Step 6: Final answer
    x = 288,194.07

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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.