Home / 355,301.40-490,322.35-194,163.24

Finding the Fourth Proportional to 355,301.40, 490,322.35 and 194,163.24

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Solution

The fourth proportional to 355,301.40, 490,322.35 and 194,163.24 is: 267,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,301.40 : 490,322.35 = 194,163.24 : x
  2. Step 2: Convert to fraction form
    355,301.40/490,322.35 = 194,163.24/x
  3. Step 3: Cross multiply
    355,301.40x = 490,322.35 × 194,163.24
  4. Step 4: Simplify right side
    355,301.40x = 95,202,575,149.60
  5. Step 5: Solve for x
    x = 95,202,575,149.60/355,301.40
  6. Step 6: Final answer
    x = 267,948.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.