Home / 345,932.05-477,365.64-200,726.59

Finding the Fourth Proportional to 345,932.05, 477,365.64 and 200,726.59

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Solution

The fourth proportional to 345,932.05, 477,365.64 and 200,726.59 is: 276,990.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,932.05 : 477,365.64 = 200,726.59 : x
  2. Step 2: Convert to fraction form
    345,932.05/477,365.64 = 200,726.59/x
  3. Step 3: Cross multiply
    345,932.05x = 477,365.64 × 200,726.59
  4. Step 4: Simplify right side
    345,932.05x = 95,819,974,713.54
  5. Step 5: Solve for x
    x = 95,819,974,713.54/345,932.05
  6. Step 6: Final answer
    x = 276,990.74

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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.