Home / 290,179.40-400,447.31-169,297.27

Finding the Fourth Proportional to 290,179.40, 400,447.31 and 169,297.27

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Solution

The fourth proportional to 290,179.40, 400,447.31 and 169,297.27 is: 233,630.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,179.40 : 400,447.31 = 169,297.27 : x
  2. Step 2: Convert to fraction form
    290,179.40/400,447.31 = 169,297.27/x
  3. Step 3: Cross multiply
    290,179.40x = 400,447.31 × 169,297.27
  4. Step 4: Simplify right side
    290,179.40x = 67,794,634,514.24
  5. Step 5: Solve for x
    x = 67,794,634,514.24/290,179.40
  6. Step 6: Final answer
    x = 233,630.08

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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.