Home / 188,016.78-282,021.21-45,862.50

Finding the Fourth Proportional to 188,016.78, 282,021.21 and 45,862.50

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Solution

The fourth proportional to 188,016.78, 282,021.21 and 45,862.50 is: 68,792.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,016.78 : 282,021.21 = 45,862.50 : x
  2. Step 2: Convert to fraction form
    188,016.78/282,021.21 = 45,862.50/x
  3. Step 3: Cross multiply
    188,016.78x = 282,021.21 × 45,862.50
  4. Step 4: Simplify right side
    188,016.78x = 12,934,197,743.63
  5. Step 5: Solve for x
    x = 12,934,197,743.63/188,016.78
  6. Step 6: Final answer
    x = 68,792.78

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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.