Home / 338,272.30-507,467.08-113,654.64

Finding the Fourth Proportional to 338,272.30, 507,467.08 and 113,654.64

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Solution

The fourth proportional to 338,272.30, 507,467.08 and 113,654.64 is: 170,501.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,272.30 : 507,467.08 = 113,654.64 : x
  2. Step 2: Convert to fraction form
    338,272.30/507,467.08 = 113,654.64/x
  3. Step 3: Cross multiply
    338,272.30x = 507,467.08 × 113,654.64
  4. Step 4: Simplify right side
    338,272.30x = 57,675,987,720.98
  5. Step 5: Solve for x
    x = 57,675,987,720.98/338,272.30
  6. Step 6: Final answer
    x = 170,501.66

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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.