Home / 314,897.27-472,297.21-115,170.95

Finding the Fourth Proportional to 314,897.27, 472,297.21 and 115,170.95

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Solution

The fourth proportional to 314,897.27, 472,297.21 and 115,170.95 is: 172,738.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,897.27 : 472,297.21 = 115,170.95 : x
  2. Step 2: Convert to fraction form
    314,897.27/472,297.21 = 115,170.95/x
  3. Step 3: Cross multiply
    314,897.27x = 472,297.21 × 115,170.95
  4. Step 4: Simplify right side
    314,897.27x = 54,394,915,708.64
  5. Step 5: Solve for x
    x = 54,394,915,708.64/314,897.27
  6. Step 6: Final answer
    x = 172,738.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.