Home / 448,851.20-672,899.84-195,939.36

Finding the Fourth Proportional to 448,851.20, 672,899.84 and 195,939.36

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Solution

The fourth proportional to 448,851.20, 672,899.84 and 195,939.36 is: 293,744.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,851.20 : 672,899.84 = 195,939.36 : x
  2. Step 2: Convert to fraction form
    448,851.20/672,899.84 = 195,939.36/x
  3. Step 3: Cross multiply
    448,851.20x = 672,899.84 × 195,939.36
  4. Step 4: Simplify right side
    448,851.20x = 131,847,563,993.70
  5. Step 5: Solve for x
    x = 131,847,563,993.70/448,851.20
  6. Step 6: Final answer
    x = 293,744.48

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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.