Home / 188,394.72-282,531.60-83,211.36

Finding the Fourth Proportional to 188,394.72, 282,531.60 and 83,211.36

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Solution

The fourth proportional to 188,394.72, 282,531.60 and 83,211.36 is: 124,790.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,394.72 : 282,531.60 = 83,211.36 : x
  2. Step 2: Convert to fraction form
    188,394.72/282,531.60 = 83,211.36/x
  3. Step 3: Cross multiply
    188,394.72x = 282,531.60 × 83,211.36
  4. Step 4: Simplify right side
    188,394.72x = 23,509,838,678.98
  5. Step 5: Solve for x
    x = 23,509,838,678.98/188,394.72
  6. Step 6: Final answer
    x = 124,790.33

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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.