Home / 377,917.70-521,526.39-208,151.83

Finding the Fourth Proportional to 377,917.70, 521,526.39 and 208,151.83

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Solution

The fourth proportional to 377,917.70, 521,526.39 and 208,151.83 is: 287,249.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,917.70 : 521,526.39 = 208,151.83 : x
  2. Step 2: Convert to fraction form
    377,917.70/521,526.39 = 208,151.83/x
  3. Step 3: Cross multiply
    377,917.70x = 521,526.39 × 208,151.83
  4. Step 4: Simplify right side
    377,917.70x = 108,556,672,471.79
  5. Step 5: Solve for x
    x = 108,556,672,471.79/377,917.70
  6. Step 6: Final answer
    x = 287,249.51

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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.