Home / 448,680.60-673,025.12-133,137.56

Finding the Fourth Proportional to 448,680.60, 673,025.12 and 133,137.56

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Solution

The fourth proportional to 448,680.60, 673,025.12 and 133,137.56 is: 199,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,680.60 : 673,025.12 = 133,137.56 : x
  2. Step 2: Convert to fraction form
    448,680.60/673,025.12 = 133,137.56/x
  3. Step 3: Cross multiply
    448,680.60x = 673,025.12 × 133,137.56
  4. Step 4: Simplify right side
    448,680.60x = 89,604,922,295.51
  5. Step 5: Solve for x
    x = 89,604,922,295.51/448,680.60
  6. Step 6: Final answer
    x = 199,707.59

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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.