Home / 188,974.56-282,752.08-115,685.60

Finding the Fourth Proportional to 188,974.56, 282,752.08 and 115,685.60

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Solution

The fourth proportional to 188,974.56, 282,752.08 and 115,685.60 is: 173,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,974.56 : 282,752.08 = 115,685.60 : x
  2. Step 2: Convert to fraction form
    188,974.56/282,752.08 = 115,685.60/x
  3. Step 3: Cross multiply
    188,974.56x = 282,752.08 × 115,685.60
  4. Step 4: Simplify right side
    188,974.56x = 32,710,344,026.05
  5. Step 5: Solve for x
    x = 32,710,344,026.05/188,974.56
  6. Step 6: Final answer
    x = 173,093.90

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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.