Home / 300,868.48-415,201.76-164,899.50

Finding the Fourth Proportional to 300,868.48, 415,201.76 and 164,899.50

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Solution

The fourth proportional to 300,868.48, 415,201.76 and 164,899.50 is: 227,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,868.48 : 415,201.76 = 164,899.50 : x
  2. Step 2: Convert to fraction form
    300,868.48/415,201.76 = 164,899.50/x
  3. Step 3: Cross multiply
    300,868.48x = 415,201.76 × 164,899.50
  4. Step 4: Simplify right side
    300,868.48x = 68,466,562,623.12
  5. Step 5: Solve for x
    x = 68,466,562,623.12/300,868.48
  6. Step 6: Final answer
    x = 227,563.10

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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.