Home / 383,786.90-575,723.55-117,545.30

Finding the Fourth Proportional to 383,786.90, 575,723.55 and 117,545.30

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Solution

The fourth proportional to 383,786.90, 575,723.55 and 117,545.30 is: 176,331.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,786.90 : 575,723.55 = 117,545.30 : x
  2. Step 2: Convert to fraction form
    383,786.90/575,723.55 = 117,545.30/x
  3. Step 3: Cross multiply
    383,786.90x = 575,723.55 × 117,545.30
  4. Step 4: Simplify right side
    383,786.90x = 67,673,597,401.82
  5. Step 5: Solve for x
    x = 67,673,597,401.82/383,786.90
  6. Step 6: Final answer
    x = 176,331.18

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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.