Home / 382,017.20-572,607.30-192,174.80

Finding the Fourth Proportional to 382,017.20, 572,607.30 and 192,174.80

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Solution

The fourth proportional to 382,017.20, 572,607.30 and 192,174.80 is: 288,051.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,017.20 : 572,607.30 = 192,174.80 : x
  2. Step 2: Convert to fraction form
    382,017.20/572,607.30 = 192,174.80/x
  3. Step 3: Cross multiply
    382,017.20x = 572,607.30 × 192,174.80
  4. Step 4: Simplify right side
    382,017.20x = 110,040,693,356.04
  5. Step 5: Solve for x
    x = 110,040,693,356.04/382,017.20
  6. Step 6: Final answer
    x = 288,051.67

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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.