Home / 621,233.25-931,851.17-171,955.42

Finding the Fourth Proportional to 621,233.25, 931,851.17 and 171,955.42

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Solution

The fourth proportional to 621,233.25, 931,851.17 and 171,955.42 is: 257,933.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,233.25 : 931,851.17 = 171,955.42 : x
  2. Step 2: Convert to fraction form
    621,233.25/931,851.17 = 171,955.42/x
  3. Step 3: Cross multiply
    621,233.25x = 931,851.17 × 171,955.42
  4. Step 4: Simplify right side
    621,233.25x = 160,236,856,662.80
  5. Step 5: Solve for x
    x = 160,236,856,662.80/621,233.25
  6. Step 6: Final answer
    x = 257,933.48

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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.