Home / 188,751.36-282,995.82-83,512.92

Finding the Fourth Proportional to 188,751.36, 282,995.82 and 83,512.92

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Solution

The fourth proportional to 188,751.36, 282,995.82 and 83,512.92 is: 125,211.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,751.36 : 282,995.82 = 83,512.92 : x
  2. Step 2: Convert to fraction form
    188,751.36/282,995.82 = 83,512.92/x
  3. Step 3: Cross multiply
    188,751.36x = 282,995.82 × 83,512.92
  4. Step 4: Simplify right side
    188,751.36x = 23,633,807,275.99
  5. Step 5: Solve for x
    x = 23,633,807,275.99/188,751.36
  6. Step 6: Final answer
    x = 125,211.32

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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.