Home / 238,388.24-328,919.05-135,023.33

Finding the Fourth Proportional to 238,388.24, 328,919.05 and 135,023.33

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Solution

The fourth proportional to 238,388.24, 328,919.05 and 135,023.33 is: 186,300.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,388.24 : 328,919.05 = 135,023.33 : x
  2. Step 2: Convert to fraction form
    238,388.24/328,919.05 = 135,023.33/x
  3. Step 3: Cross multiply
    238,388.24x = 328,919.05 × 135,023.33
  4. Step 4: Simplify right side
    238,388.24x = 44,411,745,431.44
  5. Step 5: Solve for x
    x = 44,411,745,431.44/238,388.24
  6. Step 6: Final answer
    x = 186,300.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.