Home / 335,821.40-503,732.10-99,163.70

Finding the Fourth Proportional to 335,821.40, 503,732.10 and 99,163.70

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Solution

The fourth proportional to 335,821.40, 503,732.10 and 99,163.70 is: 148,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,821.40 : 503,732.10 = 99,163.70 : x
  2. Step 2: Convert to fraction form
    335,821.40/503,732.10 = 99,163.70/x
  3. Step 3: Cross multiply
    335,821.40x = 503,732.10 × 99,163.70
  4. Step 4: Simplify right side
    335,821.40x = 49,951,938,844.77
  5. Step 5: Solve for x
    x = 49,951,938,844.77/335,821.40
  6. Step 6: Final answer
    x = 148,745.55

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1.5x scale

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.