Home / 352,564.20-528,933.78-165,357

Finding the Fourth Proportional to 352,564.20, 528,933.78 and 165,357

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Solution

The fourth proportional to 352,564.20, 528,933.78 and 165,357 is: 248,076.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,564.20 : 528,933.78 = 165,357 : x
  2. Step 2: Convert to fraction form
    352,564.20/528,933.78 = 165,357/x
  3. Step 3: Cross multiply
    352,564.20x = 528,933.78 × 165,357
  4. Step 4: Simplify right side
    352,564.20x = 87,462,903,059.46
  5. Step 5: Solve for x
    x = 87,462,903,059.46/352,564.20
  6. Step 6: Final answer
    x = 248,076.53

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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.