Home / 338,115.21-507,090.58-113,417.36

Finding the Fourth Proportional to 338,115.21, 507,090.58 and 113,417.36

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Solution

The fourth proportional to 338,115.21, 507,090.58 and 113,417.36 is: 170,098.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,115.21 : 507,090.58 = 113,417.36 : x
  2. Step 2: Convert to fraction form
    338,115.21/507,090.58 = 113,417.36/x
  3. Step 3: Cross multiply
    338,115.21x = 507,090.58 × 113,417.36
  4. Step 4: Simplify right side
    338,115.21x = 57,512,876,799.45
  5. Step 5: Solve for x
    x = 57,512,876,799.45/338,115.21
  6. Step 6: Final answer
    x = 170,098.46

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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.