Home / 316,740.51-436,936.19-195,843.15

Finding the Fourth Proportional to 316,740.51, 436,936.19 and 195,843.15

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Solution

The fourth proportional to 316,740.51, 436,936.19 and 195,843.15 is: 270,161.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,740.51 : 436,936.19 = 195,843.15 : x
  2. Step 2: Convert to fraction form
    316,740.51/436,936.19 = 195,843.15/x
  3. Step 3: Cross multiply
    316,740.51x = 436,936.19 × 195,843.15
  4. Step 4: Simplify right side
    316,740.51x = 85,570,958,819.38
  5. Step 5: Solve for x
    x = 85,570,958,819.38/316,740.51
  6. Step 6: Final answer
    x = 270,161.08

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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.