Home / 448,043.10-672,183.45-195,215.10

Finding the Fourth Proportional to 448,043.10, 672,183.45 and 195,215.10

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Solution

The fourth proportional to 448,043.10, 672,183.45 and 195,215.10 is: 292,874.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,043.10 : 672,183.45 = 195,215.10 : x
  2. Step 2: Convert to fraction form
    448,043.10/672,183.45 = 195,215.10/x
  3. Step 3: Cross multiply
    448,043.10x = 672,183.45 × 195,215.10
  4. Step 4: Simplify right side
    448,043.10x = 131,220,359,410.10
  5. Step 5: Solve for x
    x = 131,220,359,410.10/448,043.10
  6. Step 6: Final answer
    x = 292,874.41

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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.