Home / 186,788.23-280,181.43-86,893.36

Finding the Fourth Proportional to 186,788.23, 280,181.43 and 86,893.36

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Solution

The fourth proportional to 186,788.23, 280,181.43 and 86,893.36 is: 130,339.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,788.23 : 280,181.43 = 86,893.36 : x
  2. Step 2: Convert to fraction form
    186,788.23/280,181.43 = 86,893.36/x
  3. Step 3: Cross multiply
    186,788.23x = 280,181.43 × 86,893.36
  4. Step 4: Simplify right side
    186,788.23x = 24,345,905,161.85
  5. Step 5: Solve for x
    x = 24,345,905,161.85/186,788.23
  6. Step 6: Final answer
    x = 130,339.61

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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.