Home / 338,212.85-507,331.58-113,580.62

Finding the Fourth Proportional to 338,212.85, 507,331.58 and 113,580.62

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Solution

The fourth proportional to 338,212.85, 507,331.58 and 113,580.62 is: 170,375.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,212.85 : 507,331.58 = 113,580.62 : x
  2. Step 2: Convert to fraction form
    338,212.85/507,331.58 = 113,580.62/x
  3. Step 3: Cross multiply
    338,212.85x = 507,331.58 × 113,580.62
  4. Step 4: Simplify right side
    338,212.85x = 57,623,032,297.42
  5. Step 5: Solve for x
    x = 57,623,032,297.42/338,212.85
  6. Step 6: Final answer
    x = 170,375.06

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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.