Home / 338,515.72-507,899.94-180,656.44

Finding the Fourth Proportional to 338,515.72, 507,899.94 and 180,656.44

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Solution

The fourth proportional to 338,515.72, 507,899.94 and 180,656.44 is: 271,052.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,515.72 : 507,899.94 = 180,656.44 : x
  2. Step 2: Convert to fraction form
    338,515.72/507,899.94 = 180,656.44/x
  3. Step 3: Cross multiply
    338,515.72x = 507,899.94 × 180,656.44
  4. Step 4: Simplify right side
    338,515.72x = 91,755,395,036.61
  5. Step 5: Solve for x
    x = 91,755,395,036.61/338,515.72
  6. Step 6: Final answer
    x = 271,052.09

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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.