Home / 352,308.37-528,550.04-102,990.37

Finding the Fourth Proportional to 352,308.37, 528,550.04 and 102,990.37

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Solution

The fourth proportional to 352,308.37, 528,550.04 and 102,990.37 is: 154,511.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,308.37 : 528,550.04 = 102,990.37 : x
  2. Step 2: Convert to fraction form
    352,308.37/528,550.04 = 102,990.37/x
  3. Step 3: Cross multiply
    352,308.37x = 528,550.04 × 102,990.37
  4. Step 4: Simplify right side
    352,308.37x = 54,435,562,346.79
  5. Step 5: Solve for x
    x = 54,435,562,346.79/352,308.37
  6. Step 6: Final answer
    x = 154,511.13

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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.