Home / 338,158.26-507,458.88-127,796.22

Finding the Fourth Proportional to 338,158.26, 507,458.88 and 127,796.22

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Solution

The fourth proportional to 338,158.26, 507,458.88 and 127,796.22 is: 191,778.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,158.26 : 507,458.88 = 127,796.22 : x
  2. Step 2: Convert to fraction form
    338,158.26/507,458.88 = 127,796.22/x
  3. Step 3: Cross multiply
    338,158.26x = 507,458.88 × 127,796.22
  4. Step 4: Simplify right side
    338,158.26x = 64,851,326,669.43
  5. Step 5: Solve for x
    x = 64,851,326,669.43/338,158.26
  6. Step 6: Final answer
    x = 191,778.04

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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.