Home / 448,720.83-673,087.11-149,201.40

Finding the Fourth Proportional to 448,720.83, 673,087.11 and 149,201.40

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Solution

The fourth proportional to 448,720.83, 673,087.11 and 149,201.40 is: 223,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,720.83 : 673,087.11 = 149,201.40 : x
  2. Step 2: Convert to fraction form
    448,720.83/673,087.11 = 149,201.40/x
  3. Step 3: Cross multiply
    448,720.83x = 673,087.11 × 149,201.40
  4. Step 4: Simplify right side
    448,720.83x = 100,425,539,133.95
  5. Step 5: Solve for x
    x = 100,425,539,133.95/448,720.83
  6. Step 6: Final answer
    x = 223,804.05

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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.