Home / 188,002.20-282,068.10-82,896.60

Finding the Fourth Proportional to 188,002.20, 282,068.10 and 82,896.60

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Solution

The fourth proportional to 188,002.20, 282,068.10 and 82,896.60 is: 124,373.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,002.20 : 282,068.10 = 82,896.60 : x
  2. Step 2: Convert to fraction form
    188,002.20/282,068.10 = 82,896.60/x
  3. Step 3: Cross multiply
    188,002.20x = 282,068.10 × 82,896.60
  4. Step 4: Simplify right side
    188,002.20x = 23,382,486,458.46
  5. Step 5: Solve for x
    x = 23,382,486,458.46/188,002.20
  6. Step 6: Final answer
    x = 124,373.47

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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.