Home / 286,317.60-395,161.38-206,010.96

Finding the Fourth Proportional to 286,317.60, 395,161.38 and 206,010.96

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Solution

The fourth proportional to 286,317.60, 395,161.38 and 206,010.96 is: 284,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,317.60 : 395,161.38 = 206,010.96 : x
  2. Step 2: Convert to fraction form
    286,317.60/395,161.38 = 206,010.96/x
  3. Step 3: Cross multiply
    286,317.60x = 395,161.38 × 206,010.96
  4. Step 4: Simplify right side
    286,317.60x = 81,407,575,248.72
  5. Step 5: Solve for x
    x = 81,407,575,248.72/286,317.60
  6. Step 6: Final answer
    x = 284,326.13

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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.