Home / 260,187.44-390,343.27-82,694.77

Finding the Fourth Proportional to 260,187.44, 390,343.27 and 82,694.77

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Solution

The fourth proportional to 260,187.44, 390,343.27 and 82,694.77 is: 124,061.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,187.44 : 390,343.27 = 82,694.77 : x
  2. Step 2: Convert to fraction form
    260,187.44/390,343.27 = 82,694.77/x
  3. Step 3: Cross multiply
    260,187.44x = 390,343.27 × 82,694.77
  4. Step 4: Simplify right side
    260,187.44x = 32,279,345,751.10
  5. Step 5: Solve for x
    x = 32,279,345,751.10/260,187.44
  6. Step 6: Final answer
    x = 124,061.89

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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.