Home / 298,556.40-412,045.50-171,229.26

Finding the Fourth Proportional to 298,556.40, 412,045.50 and 171,229.26

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Solution

The fourth proportional to 298,556.40, 412,045.50 and 171,229.26 is: 236,317.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,556.40 : 412,045.50 = 171,229.26 : x
  2. Step 2: Convert to fraction form
    298,556.40/412,045.50 = 171,229.26/x
  3. Step 3: Cross multiply
    298,556.40x = 412,045.50 × 171,229.26
  4. Step 4: Simplify right side
    298,556.40x = 70,554,246,051.33
  5. Step 5: Solve for x
    x = 70,554,246,051.33/298,556.40
  6. Step 6: Final answer
    x = 236,317.98

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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.