Home / 448,694.20-672,895.60-149,094.32

Finding the Fourth Proportional to 448,694.20, 672,895.60 and 149,094.32

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Solution

The fourth proportional to 448,694.20, 672,895.60 and 149,094.32 is: 223,593.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,694.20 : 672,895.60 = 149,094.32 : x
  2. Step 2: Convert to fraction form
    448,694.20/672,895.60 = 149,094.32/x
  3. Step 3: Cross multiply
    448,694.20x = 672,895.60 × 149,094.32
  4. Step 4: Simplify right side
    448,694.20x = 100,324,911,912.99
  5. Step 5: Solve for x
    x = 100,324,911,912.99/448,694.20
  6. Step 6: Final answer
    x = 223,593.07

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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.