Home / 328,074.08-492,131.44-103,442.24

Finding the Fourth Proportional to 328,074.08, 492,131.44 and 103,442.24

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Solution

The fourth proportional to 328,074.08, 492,131.44 and 103,442.24 is: 155,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,074.08 : 492,131.44 = 103,442.24 : x
  2. Step 2: Convert to fraction form
    328,074.08/492,131.44 = 103,442.24/x
  3. Step 3: Cross multiply
    328,074.08x = 492,131.44 × 103,442.24
  4. Step 4: Simplify right side
    328,074.08x = 50,907,178,528.03
  5. Step 5: Solve for x
    x = 50,907,178,528.03/328,074.08
  6. Step 6: Final answer
    x = 155,169.77

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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.