Home / 290,512.08-400,954.59-169,652.39

Finding the Fourth Proportional to 290,512.08, 400,954.59 and 169,652.39

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Solution

The fourth proportional to 290,512.08, 400,954.59 and 169,652.39 is: 234,148.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,512.08 : 400,954.59 = 169,652.39 : x
  2. Step 2: Convert to fraction form
    290,512.08/400,954.59 = 169,652.39/x
  3. Step 3: Cross multiply
    290,512.08x = 400,954.59 × 169,652.39
  4. Step 4: Simplify right side
    290,512.08x = 68,022,902,470.20
  5. Step 5: Solve for x
    x = 68,022,902,470.20/290,512.08
  6. Step 6: Final answer
    x = 234,148.28

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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.