Home / 335,623.80-503,435.10-99,132.56

Finding the Fourth Proportional to 335,623.80, 503,435.10 and 99,132.56

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Solution

The fourth proportional to 335,623.80, 503,435.10 and 99,132.56 is: 148,698.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,623.80 : 503,435.10 = 99,132.56 : x
  2. Step 2: Convert to fraction form
    335,623.80/503,435.10 = 99,132.56/x
  3. Step 3: Cross multiply
    335,623.80x = 503,435.10 × 99,132.56
  4. Step 4: Simplify right side
    335,623.80x = 49,906,809,441.69
  5. Step 5: Solve for x
    x = 49,906,809,441.69/335,623.80
  6. Step 6: Final answer
    x = 148,698.66

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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.