Home / 355,161.36-533,004.12-168,172.56

Finding the Fourth Proportional to 355,161.36, 533,004.12 and 168,172.56

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Solution

The fourth proportional to 355,161.36, 533,004.12 and 168,172.56 is: 252,382.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,161.36 : 533,004.12 = 168,172.56 : x
  2. Step 2: Convert to fraction form
    355,161.36/533,004.12 = 168,172.56/x
  3. Step 3: Cross multiply
    355,161.36x = 533,004.12 × 168,172.56
  4. Step 4: Simplify right side
    355,161.36x = 89,636,667,350.95
  5. Step 5: Solve for x
    x = 89,636,667,350.95/355,161.36
  6. Step 6: Final answer
    x = 252,382.94

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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.