Home / 383,972.62-575,920.04-103,518.22

Finding the Fourth Proportional to 383,972.62, 575,920.04 and 103,518.22

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Solution

The fourth proportional to 383,972.62, 575,920.04 and 103,518.22 is: 155,266.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,972.62 : 575,920.04 = 103,518.22 : x
  2. Step 2: Convert to fraction form
    383,972.62/575,920.04 = 103,518.22/x
  3. Step 3: Cross multiply
    383,972.62x = 575,920.04 × 103,518.22
  4. Step 4: Simplify right side
    383,972.62x = 59,618,217,403.13
  5. Step 5: Solve for x
    x = 59,618,217,403.13/383,972.62
  6. Step 6: Final answer
    x = 155,266.85

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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.