Home / 213,622.08-320,431.04-150,180.48

Finding the Fourth Proportional to 213,622.08, 320,431.04 and 150,180.48

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Solution

The fourth proportional to 213,622.08, 320,431.04 and 150,180.48 is: 225,269.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,622.08 : 320,431.04 = 150,180.48 : x
  2. Step 2: Convert to fraction form
    213,622.08/320,431.04 = 150,180.48/x
  3. Step 3: Cross multiply
    213,622.08x = 320,431.04 × 150,180.48
  4. Step 4: Simplify right side
    213,622.08x = 48,122,487,394.10
  5. Step 5: Solve for x
    x = 48,122,487,394.10/213,622.08
  6. Step 6: Final answer
    x = 225,269.26

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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.