Home / 274,308.35-378,559.79-153,451.65

Finding the Fourth Proportional to 274,308.35, 378,559.79 and 153,451.65

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Solution

The fourth proportional to 274,308.35, 378,559.79 and 153,451.65 is: 211,771.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,308.35 : 378,559.79 = 153,451.65 : x
  2. Step 2: Convert to fraction form
    274,308.35/378,559.79 = 153,451.65/x
  3. Step 3: Cross multiply
    274,308.35x = 378,559.79 × 153,451.65
  4. Step 4: Simplify right side
    274,308.35x = 58,090,625,310.38
  5. Step 5: Solve for x
    x = 58,090,625,310.38/274,308.35
  6. Step 6: Final answer
    x = 211,771.26

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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.