Home / 319,998.03-441,357.82-223,206.85

Finding the Fourth Proportional to 319,998.03, 441,357.82 and 223,206.85

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Solution

The fourth proportional to 319,998.03, 441,357.82 and 223,206.85 is: 307,858.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,998.03 : 441,357.82 = 223,206.85 : x
  2. Step 2: Convert to fraction form
    319,998.03/441,357.82 = 223,206.85/x
  3. Step 3: Cross multiply
    319,998.03x = 441,357.82 × 223,206.85
  4. Step 4: Simplify right side
    319,998.03x = 98,514,088,725.07
  5. Step 5: Solve for x
    x = 98,514,088,725.07/319,998.03
  6. Step 6: Final answer
    x = 307,858.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.