Home / 405,821.78-608,336.91-169,232.18

Finding the Fourth Proportional to 405,821.78, 608,336.91 and 169,232.18

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Solution

The fourth proportional to 405,821.78, 608,336.91 and 169,232.18 is: 253,683.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,821.78 : 608,336.91 = 169,232.18 : x
  2. Step 2: Convert to fraction form
    405,821.78/608,336.91 = 169,232.18/x
  3. Step 3: Cross multiply
    405,821.78x = 608,336.91 × 169,232.18
  4. Step 4: Simplify right side
    405,821.78x = 102,950,181,453.76
  5. Step 5: Solve for x
    x = 102,950,181,453.76/405,821.78
  6. Step 6: Final answer
    x = 253,683.23

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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.