Home / 188,512.23-282,969.77-76,265.81

Finding the Fourth Proportional to 188,512.23, 282,969.77 and 76,265.81

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Solution

The fourth proportional to 188,512.23, 282,969.77 and 76,265.81 is: 114,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,512.23 : 282,969.77 = 76,265.81 : x
  2. Step 2: Convert to fraction form
    188,512.23/282,969.77 = 76,265.81/x
  3. Step 3: Cross multiply
    188,512.23x = 282,969.77 × 76,265.81
  4. Step 4: Simplify right side
    188,512.23x = 21,580,918,714.56
  5. Step 5: Solve for x
    x = 21,580,918,714.56/188,512.23
  6. Step 6: Final answer
    x = 114,480.20

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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.