Home / 448,667.30-672,770.10-133,083.20

Finding the Fourth Proportional to 448,667.30, 672,770.10 and 133,083.20

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Solution

The fourth proportional to 448,667.30, 672,770.10 and 133,083.20 is: 199,556.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,667.30 : 672,770.10 = 133,083.20 : x
  2. Step 2: Convert to fraction form
    448,667.30/672,770.10 = 133,083.20/x
  3. Step 3: Cross multiply
    448,667.30x = 672,770.10 × 133,083.20
  4. Step 4: Simplify right side
    448,667.30x = 89,534,397,772.32
  5. Step 5: Solve for x
    x = 89,534,397,772.32/448,667.30
  6. Step 6: Final answer
    x = 199,556.33

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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.