Home / 188,559.50-282,714.39-74,631.83

Finding the Fourth Proportional to 188,559.50, 282,714.39 and 74,631.83

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Solution

The fourth proportional to 188,559.50, 282,714.39 and 74,631.83 is: 111,898.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,559.50 : 282,714.39 = 74,631.83 : x
  2. Step 2: Convert to fraction form
    188,559.50/282,714.39 = 74,631.83/x
  3. Step 3: Cross multiply
    188,559.50x = 282,714.39 × 74,631.83
  4. Step 4: Simplify right side
    188,559.50x = 21,099,490,879.46
  5. Step 5: Solve for x
    x = 21,099,490,879.46/188,559.50
  6. Step 6: Final answer
    x = 111,898.32

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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.