Home / 327,488.22-491,232.30-90,830.94

Finding the Fourth Proportional to 327,488.22, 491,232.30 and 90,830.94

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Solution

The fourth proportional to 327,488.22, 491,232.30 and 90,830.94 is: 136,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,488.22 : 491,232.30 = 90,830.94 : x
  2. Step 2: Convert to fraction form
    327,488.22/491,232.30 = 90,830.94/x
  3. Step 3: Cross multiply
    327,488.22x = 491,232.30 × 90,830.94
  4. Step 4: Simplify right side
    327,488.22x = 44,619,091,567.36
  5. Step 5: Solve for x
    x = 44,619,091,567.36/327,488.22
  6. Step 6: Final answer
    x = 136,246.40

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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.