Home / 382,021.31-527,192.54-238,864.34

Finding the Fourth Proportional to 382,021.31, 527,192.54 and 238,864.34

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Solution

The fourth proportional to 382,021.31, 527,192.54 and 238,864.34 is: 329,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,021.31 : 527,192.54 = 238,864.34 : x
  2. Step 2: Convert to fraction form
    382,021.31/527,192.54 = 238,864.34/x
  3. Step 3: Cross multiply
    382,021.31x = 527,192.54 × 238,864.34
  4. Step 4: Simplify right side
    382,021.31x = 125,927,494,289.74
  5. Step 5: Solve for x
    x = 125,927,494,289.74/382,021.31
  6. Step 6: Final answer
    x = 329,634.74

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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.