Home / 525,230.82-787,949.65-188,181.32

Finding the Fourth Proportional to 525,230.82, 787,949.65 and 188,181.32

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Solution

The fourth proportional to 525,230.82, 787,949.65 and 188,181.32 is: 282,309.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,230.82 : 787,949.65 = 188,181.32 : x
  2. Step 2: Convert to fraction form
    525,230.82/787,949.65 = 188,181.32/x
  3. Step 3: Cross multiply
    525,230.82x = 787,949.65 × 188,181.32
  4. Step 4: Simplify right side
    525,230.82x = 148,277,405,230.54
  5. Step 5: Solve for x
    x = 148,277,405,230.54/525,230.82
  6. Step 6: Final answer
    x = 282,309.03

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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.