Home / 448,514.07-672,884.70-148,996.11

Finding the Fourth Proportional to 448,514.07, 672,884.70 and 148,996.11

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Solution

The fourth proportional to 448,514.07, 672,884.70 and 148,996.11 is: 223,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,514.07 : 672,884.70 = 148,996.11 : x
  2. Step 2: Convert to fraction form
    448,514.07/672,884.70 = 148,996.11/x
  3. Step 3: Cross multiply
    448,514.07x = 672,884.70 × 148,996.11
  4. Step 4: Simplify right side
    448,514.07x = 100,257,202,778.52
  5. Step 5: Solve for x
    x = 100,257,202,778.52/448,514.07
  6. Step 6: Final answer
    x = 223,531.90

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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.