Home / 339,145.13-468,022.10-211,894.53

Finding the Fourth Proportional to 339,145.13, 468,022.10 and 211,894.53

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Solution

The fourth proportional to 339,145.13, 468,022.10 and 211,894.53 is: 292,415.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,145.13 : 468,022.10 = 211,894.53 : x
  2. Step 2: Convert to fraction form
    339,145.13/468,022.10 = 211,894.53/x
  3. Step 3: Cross multiply
    339,145.13x = 468,022.10 × 211,894.53
  4. Step 4: Simplify right side
    339,145.13x = 99,171,321,849.64
  5. Step 5: Solve for x
    x = 99,171,321,849.64/339,145.13
  6. Step 6: Final answer
    x = 292,415.59

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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.