Home / 327,598.48-491,343.04-90,965.08

Finding the Fourth Proportional to 327,598.48, 491,343.04 and 90,965.08

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Solution

The fourth proportional to 327,598.48, 491,343.04 and 90,965.08 is: 136,432.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,598.48 : 491,343.04 = 90,965.08 : x
  2. Step 2: Convert to fraction form
    327,598.48/491,343.04 = 90,965.08/x
  3. Step 3: Cross multiply
    327,598.48x = 491,343.04 × 90,965.08
  4. Step 4: Simplify right side
    327,598.48x = 44,695,058,941.04
  5. Step 5: Solve for x
    x = 44,695,058,941.04/327,598.48
  6. Step 6: Final answer
    x = 136,432.44

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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.