Home / 448,616.21-672,924.24-133,070.38

Finding the Fourth Proportional to 448,616.21, 672,924.24 and 133,070.38

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Solution

The fourth proportional to 448,616.21, 672,924.24 and 133,070.38 is: 199,605.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,616.21 : 672,924.24 = 133,070.38 : x
  2. Step 2: Convert to fraction form
    448,616.21/672,924.24 = 133,070.38/x
  3. Step 3: Cross multiply
    448,616.21x = 672,924.24 × 133,070.38
  4. Step 4: Simplify right side
    448,616.21x = 89,546,282,645.70
  5. Step 5: Solve for x
    x = 89,546,282,645.70/448,616.21
  6. Step 6: Final answer
    x = 199,605.55

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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.