Home / 327,802.45-491,777.66-100,118.47

Finding the Fourth Proportional to 327,802.45, 491,777.66 and 100,118.47

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Solution

The fourth proportional to 327,802.45, 491,777.66 and 100,118.47 is: 150,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,802.45 : 491,777.66 = 100,118.47 : x
  2. Step 2: Convert to fraction form
    327,802.45/491,777.66 = 100,118.47/x
  3. Step 3: Cross multiply
    327,802.45x = 491,777.66 × 100,118.47
  4. Step 4: Simplify right side
    327,802.45x = 49,236,026,899.38
  5. Step 5: Solve for x
    x = 49,236,026,899.38/327,802.45
  6. Step 6: Final answer
    x = 150,200.30

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1.5x scale

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.