Home / 317,816.33-438,589.62-174,576.38

Finding the Fourth Proportional to 317,816.33, 438,589.62 and 174,576.38

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Solution

The fourth proportional to 317,816.33, 438,589.62 and 174,576.38 is: 240,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,816.33 : 438,589.62 = 174,576.38 : x
  2. Step 2: Convert to fraction form
    317,816.33/438,589.62 = 174,576.38/x
  3. Step 3: Cross multiply
    317,816.33x = 438,589.62 × 174,576.38
  4. Step 4: Simplify right side
    317,816.33x = 76,567,385,972.23
  5. Step 5: Solve for x
    x = 76,567,385,972.23/317,816.33
  6. Step 6: Final answer
    x = 240,917.10

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1.5x scale

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.