Home / 317,816.76-438,589.17-174,575.55

Finding the Fourth Proportional to 317,816.76, 438,589.17 and 174,575.55

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Solution

The fourth proportional to 317,816.76, 438,589.17 and 174,575.55 is: 240,915.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,816.76 : 438,589.17 = 174,575.55 : x
  2. Step 2: Convert to fraction form
    317,816.76/438,589.17 = 174,575.55/x
  3. Step 3: Cross multiply
    317,816.76x = 438,589.17 × 174,575.55
  4. Step 4: Simplify right side
    317,816.76x = 76,566,945,576.79
  5. Step 5: Solve for x
    x = 76,566,945,576.79/317,816.76
  6. Step 6: Final answer
    x = 240,915.38

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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.