Home / 448,619.20-672,928.74-133,073.38

Finding the Fourth Proportional to 448,619.20, 672,928.74 and 133,073.38

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Solution

The fourth proportional to 448,619.20, 672,928.74 and 133,073.38 is: 199,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,619.20 : 672,928.74 = 133,073.38 : x
  2. Step 2: Convert to fraction form
    448,619.20/672,928.74 = 133,073.38/x
  3. Step 3: Cross multiply
    448,619.20x = 672,928.74 × 133,073.38
  4. Step 4: Simplify right side
    448,619.20x = 89,548,901,930.94
  5. Step 5: Solve for x
    x = 89,548,901,930.94/448,619.20
  6. Step 6: Final answer
    x = 199,610.05

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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.