Home / 286,575.09-395,465.76-159,247.41

Finding the Fourth Proportional to 286,575.09, 395,465.76 and 159,247.41

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Solution

The fourth proportional to 286,575.09, 395,465.76 and 159,247.41 is: 219,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,575.09 : 395,465.76 = 159,247.41 : x
  2. Step 2: Convert to fraction form
    286,575.09/395,465.76 = 159,247.41/x
  3. Step 3: Cross multiply
    286,575.09x = 395,465.76 × 159,247.41
  4. Step 4: Simplify right side
    286,575.09x = 62,976,898,023.68
  5. Step 5: Solve for x
    x = 62,976,898,023.68/286,575.09
  6. Step 6: Final answer
    x = 219,757.06

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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.