Home / 557,134.20-835,604.10-201,965.40

Finding the Fourth Proportional to 557,134.20, 835,604.10 and 201,965.40

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Solution

The fourth proportional to 557,134.20, 835,604.10 and 201,965.40 is: 302,912.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,134.20 : 835,604.10 = 201,965.40 : x
  2. Step 2: Convert to fraction form
    557,134.20/835,604.10 = 201,965.40/x
  3. Step 3: Cross multiply
    557,134.20x = 835,604.10 × 201,965.40
  4. Step 4: Simplify right side
    557,134.20x = 168,763,116,298.14
  5. Step 5: Solve for x
    x = 168,763,116,298.14/557,134.20
  6. Step 6: Final answer
    x = 302,912.86

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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.