Home / 178,971.07-268,579.84-73,790.03

Finding the Fourth Proportional to 178,971.07, 268,579.84 and 73,790.03

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Solution

The fourth proportional to 178,971.07, 268,579.84 and 73,790.03 is: 110,735.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,971.07 : 268,579.84 = 73,790.03 : x
  2. Step 2: Convert to fraction form
    178,971.07/268,579.84 = 73,790.03/x
  3. Step 3: Cross multiply
    178,971.07x = 268,579.84 × 73,790.03
  4. Step 4: Simplify right side
    178,971.07x = 19,818,514,451.00
  5. Step 5: Solve for x
    x = 19,818,514,451.00/178,971.07
  6. Step 6: Final answer
    x = 110,735.86

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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.