Home / 301,204.36-451,809.78-90,844.12

Finding the Fourth Proportional to 301,204.36, 451,809.78 and 90,844.12

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Solution

The fourth proportional to 301,204.36, 451,809.78 and 90,844.12 is: 136,267.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,204.36 : 451,809.78 = 90,844.12 : x
  2. Step 2: Convert to fraction form
    301,204.36/451,809.78 = 90,844.12/x
  3. Step 3: Cross multiply
    301,204.36x = 451,809.78 × 90,844.12
  4. Step 4: Simplify right side
    301,204.36x = 41,044,261,871.49
  5. Step 5: Solve for x
    x = 41,044,261,871.49/301,204.36
  6. Step 6: Final answer
    x = 136,267.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.