Home / 317,867.27-438,657.01-174,636.54

Finding the Fourth Proportional to 317,867.27, 438,657.01 and 174,636.54

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Solution

The fourth proportional to 317,867.27, 438,657.01 and 174,636.54 is: 240,998.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,867.27 : 438,657.01 = 174,636.54 : x
  2. Step 2: Convert to fraction form
    317,867.27/438,657.01 = 174,636.54/x
  3. Step 3: Cross multiply
    317,867.27x = 438,657.01 × 174,636.54
  4. Step 4: Simplify right side
    317,867.27x = 76,605,542,473.15
  5. Step 5: Solve for x
    x = 76,605,542,473.15/317,867.27
  6. Step 6: Final answer
    x = 240,998.52

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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.