Home / 377,934.38-521,550.84-208,168.10

Finding the Fourth Proportional to 377,934.38, 521,550.84 and 208,168.10

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Solution

The fourth proportional to 377,934.38, 521,550.84 and 208,168.10 is: 287,272.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,934.38 : 521,550.84 = 208,168.10 : x
  2. Step 2: Convert to fraction form
    377,934.38/521,550.84 = 208,168.10/x
  3. Step 3: Cross multiply
    377,934.38x = 521,550.84 × 208,168.10
  4. Step 4: Simplify right side
    377,934.38x = 108,570,247,416.20
  5. Step 5: Solve for x
    x = 108,570,247,416.20/377,934.38
  6. Step 6: Final answer
    x = 287,272.75

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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.