Home / 317,014.38-475,549.23-80,357.04

Finding the Fourth Proportional to 317,014.38, 475,549.23 and 80,357.04

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Solution

The fourth proportional to 317,014.38, 475,549.23 and 80,357.04 is: 120,542.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,014.38 : 475,549.23 = 80,357.04 : x
  2. Step 2: Convert to fraction form
    317,014.38/475,549.23 = 80,357.04/x
  3. Step 3: Cross multiply
    317,014.38x = 475,549.23 × 80,357.04
  4. Step 4: Simplify right side
    317,014.38x = 38,213,728,497.08
  5. Step 5: Solve for x
    x = 38,213,728,497.08/317,014.38
  6. Step 6: Final answer
    x = 120,542.57

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1.5x scale

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.