Home / 448,575.12-672,975.99-149,057.28

Finding the Fourth Proportional to 448,575.12, 672,975.99 and 149,057.28

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Solution

The fourth proportional to 448,575.12, 672,975.99 and 149,057.28 is: 223,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,575.12 : 672,975.99 = 149,057.28 : x
  2. Step 2: Convert to fraction form
    448,575.12/672,975.99 = 149,057.28/x
  3. Step 3: Cross multiply
    448,575.12x = 672,975.99 × 149,057.28
  4. Step 4: Simplify right side
    448,575.12x = 100,311,970,574.71
  5. Step 5: Solve for x
    x = 100,311,970,574.71/448,575.12
  6. Step 6: Final answer
    x = 223,623.57

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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.