Home / 448,117.44-672,275.82-195,438.78

Finding the Fourth Proportional to 448,117.44, 672,275.82 and 195,438.78

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Solution

The fourth proportional to 448,117.44, 672,275.82 and 195,438.78 is: 293,201.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,117.44 : 672,275.82 = 195,438.78 : x
  2. Step 2: Convert to fraction form
    448,117.44/672,275.82 = 195,438.78/x
  3. Step 3: Cross multiply
    448,117.44x = 672,275.82 × 195,438.78
  4. Step 4: Simplify right side
    448,117.44x = 131,388,766,084.30
  5. Step 5: Solve for x
    x = 131,388,766,084.30/448,117.44
  6. Step 6: Final answer
    x = 293,201.64

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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.