Home / 311,839.40-430,448.97-184,514.69

Finding the Fourth Proportional to 311,839.40, 430,448.97 and 184,514.69

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Solution

The fourth proportional to 311,839.40, 430,448.97 and 184,514.69 is: 254,695.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,839.40 : 430,448.97 = 184,514.69 : x
  2. Step 2: Convert to fraction form
    311,839.40/430,448.97 = 184,514.69/x
  3. Step 3: Cross multiply
    311,839.40x = 430,448.97 × 184,514.69
  4. Step 4: Simplify right side
    311,839.40x = 79,424,158,260.37
  5. Step 5: Solve for x
    x = 79,424,158,260.37/311,839.40
  6. Step 6: Final answer
    x = 254,695.71

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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.