Home / 377,916.20-521,524.32-208,150.33

Finding the Fourth Proportional to 377,916.20, 521,524.32 and 208,150.33

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Solution

The fourth proportional to 377,916.20, 521,524.32 and 208,150.33 is: 287,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,916.20 : 521,524.32 = 208,150.33 : x
  2. Step 2: Convert to fraction form
    377,916.20/521,524.32 = 208,150.33/x
  3. Step 3: Cross multiply
    377,916.20x = 521,524.32 × 208,150.33
  4. Step 4: Simplify right side
    377,916.20x = 108,555,456,703.40
  5. Step 5: Solve for x
    x = 108,555,456,703.40/377,916.20
  6. Step 6: Final answer
    x = 287,247.43

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1.5x scale

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.