Home / 383,239.38-574,948.05-130,522.06

Finding the Fourth Proportional to 383,239.38, 574,948.05 and 130,522.06

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Solution

The fourth proportional to 383,239.38, 574,948.05 and 130,522.06 is: 195,813.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,239.38 : 574,948.05 = 130,522.06 : x
  2. Step 2: Convert to fraction form
    383,239.38/574,948.05 = 130,522.06/x
  3. Step 3: Cross multiply
    383,239.38x = 574,948.05 × 130,522.06
  4. Step 4: Simplify right side
    383,239.38x = 75,043,401,485.95
  5. Step 5: Solve for x
    x = 75,043,401,485.95/383,239.38
  6. Step 6: Final answer
    x = 195,813.39

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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.