Home / 238,553.27-329,071.40-151,178.37

Finding the Fourth Proportional to 238,553.27, 329,071.40 and 151,178.37

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Solution

The fourth proportional to 238,553.27, 329,071.40 and 151,178.37 is: 208,542.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,553.27 : 329,071.40 = 151,178.37 : x
  2. Step 2: Convert to fraction form
    238,553.27/329,071.40 = 151,178.37/x
  3. Step 3: Cross multiply
    238,553.27x = 329,071.40 × 151,178.37
  4. Step 4: Simplify right side
    238,553.27x = 49,748,477,109.73
  5. Step 5: Solve for x
    x = 49,748,477,109.73/238,553.27
  6. Step 6: Final answer
    x = 208,542.43

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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.