Home / 371,183.10-512,244.06-218,193.24

Finding the Fourth Proportional to 371,183.10, 512,244.06 and 218,193.24

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Solution

The fourth proportional to 371,183.10, 512,244.06 and 218,193.24 is: 301,113.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,183.10 : 512,244.06 = 218,193.24 : x
  2. Step 2: Convert to fraction form
    371,183.10/512,244.06 = 218,193.24/x
  3. Step 3: Cross multiply
    371,183.10x = 512,244.06 × 218,193.24
  4. Step 4: Simplify right side
    371,183.10x = 111,768,191,122.15
  5. Step 5: Solve for x
    x = 111,768,191,122.15/371,183.10
  6. Step 6: Final answer
    x = 301,113.36

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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.