Home / 325,021.48-448,536.90-229,696.36

Finding the Fourth Proportional to 325,021.48, 448,536.90 and 229,696.36

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Solution

The fourth proportional to 325,021.48, 448,536.90 and 229,696.36 is: 316,986.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,021.48 : 448,536.90 = 229,696.36 : x
  2. Step 2: Convert to fraction form
    325,021.48/448,536.90 = 229,696.36/x
  3. Step 3: Cross multiply
    325,021.48x = 448,536.90 × 229,696.36
  4. Step 4: Simplify right side
    325,021.48x = 103,027,293,255.68
  5. Step 5: Solve for x
    x = 103,027,293,255.68/325,021.48
  6. Step 6: Final answer
    x = 316,986.11

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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.