Home / 431,986.58-648,269.10-179,267.33

Finding the Fourth Proportional to 431,986.58, 648,269.10 and 179,267.33

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Solution

The fourth proportional to 431,986.58, 648,269.10 and 179,267.33 is: 269,021.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,986.58 : 648,269.10 = 179,267.33 : x
  2. Step 2: Convert to fraction form
    431,986.58/648,269.10 = 179,267.33/x
  3. Step 3: Cross multiply
    431,986.58x = 648,269.10 × 179,267.33
  4. Step 4: Simplify right side
    431,986.58x = 116,213,470,678.50
  5. Step 5: Solve for x
    x = 116,213,470,678.50/431,986.58
  6. Step 6: Final answer
    x = 269,021.02

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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.