Home / 448,947.12-673,450.38-149,415.60

Finding the Fourth Proportional to 448,947.12, 673,450.38 and 149,415.60

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Solution

The fourth proportional to 448,947.12, 673,450.38 and 149,415.60 is: 224,133.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,947.12 : 673,450.38 = 149,415.60 : x
  2. Step 2: Convert to fraction form
    448,947.12/673,450.38 = 149,415.60/x
  3. Step 3: Cross multiply
    448,947.12x = 673,450.38 × 149,415.60
  4. Step 4: Simplify right side
    448,947.12x = 100,623,992,597.93
  5. Step 5: Solve for x
    x = 100,623,992,597.93/448,947.12
  6. Step 6: Final answer
    x = 224,133.28

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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.