Home / 290,442.78-400,763.97-181,534.23

Finding the Fourth Proportional to 290,442.78, 400,763.97 and 181,534.23

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Solution

The fourth proportional to 290,442.78, 400,763.97 and 181,534.23 is: 250,487.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,442.78 : 400,763.97 = 181,534.23 : x
  2. Step 2: Convert to fraction form
    290,442.78/400,763.97 = 181,534.23/x
  3. Step 3: Cross multiply
    290,442.78x = 400,763.97 × 181,534.23
  4. Step 4: Simplify right side
    290,442.78x = 72,752,378,705.69
  5. Step 5: Solve for x
    x = 72,752,378,705.69/290,442.78
  6. Step 6: Final answer
    x = 250,487.82

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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.