Home / 317,567.36-438,231.61-179,743.32

Finding the Fourth Proportional to 317,567.36, 438,231.61 and 179,743.32

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Solution

The fourth proportional to 317,567.36, 438,231.61 and 179,743.32 is: 248,039.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,567.36 : 438,231.61 = 179,743.32 : x
  2. Step 2: Convert to fraction form
    317,567.36/438,231.61 = 179,743.32/x
  3. Step 3: Cross multiply
    317,567.36x = 438,231.61 × 179,743.32
  4. Step 4: Simplify right side
    317,567.36x = 78,769,206,378.39
  5. Step 5: Solve for x
    x = 78,769,206,378.39/317,567.36
  6. Step 6: Final answer
    x = 248,039.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.