Home / 338,387.29-507,644.89-135,999.14

Finding the Fourth Proportional to 338,387.29, 507,644.89 and 135,999.14

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Solution

The fourth proportional to 338,387.29, 507,644.89 and 135,999.14 is: 204,024.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,387.29 : 507,644.89 = 135,999.14 : x
  2. Step 2: Convert to fraction form
    338,387.29/507,644.89 = 135,999.14/x
  3. Step 3: Cross multiply
    338,387.29x = 507,644.89 × 135,999.14
  4. Step 4: Simplify right side
    338,387.29x = 69,039,265,587.17
  5. Step 5: Solve for x
    x = 69,039,265,587.17/338,387.29
  6. Step 6: Final answer
    x = 204,024.41

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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.