Home / 339,144.32-507,936.55-189,052.35

Finding the Fourth Proportional to 339,144.32, 507,936.55 and 189,052.35

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Solution

The fourth proportional to 339,144.32, 507,936.55 and 189,052.35 is: 283,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,144.32 : 507,936.55 = 189,052.35 : x
  2. Step 2: Convert to fraction form
    339,144.32/507,936.55 = 189,052.35/x
  3. Step 3: Cross multiply
    339,144.32x = 507,936.55 × 189,052.35
  4. Step 4: Simplify right side
    339,144.32x = 96,026,598,428.39
  5. Step 5: Solve for x
    x = 96,026,598,428.39/339,144.32
  6. Step 6: Final answer
    x = 283,143.76

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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.