Home / 298,983.36-412,602.48-163,018.38

Finding the Fourth Proportional to 298,983.36, 412,602.48 and 163,018.38

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Solution

The fourth proportional to 298,983.36, 412,602.48 and 163,018.38 is: 224,968.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,983.36 : 412,602.48 = 163,018.38 : x
  2. Step 2: Convert to fraction form
    298,983.36/412,602.48 = 163,018.38/x
  3. Step 3: Cross multiply
    298,983.36x = 412,602.48 × 163,018.38
  4. Step 4: Simplify right side
    298,983.36x = 67,261,787,873.58
  5. Step 5: Solve for x
    x = 67,261,787,873.58/298,983.36
  6. Step 6: Final answer
    x = 224,968.33

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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.