Home / 233,101.60-321,708.68-131,131.34

Finding the Fourth Proportional to 233,101.60, 321,708.68 and 131,131.34

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Solution

The fourth proportional to 233,101.60, 321,708.68 and 131,131.34 is: 180,977.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,101.60 : 321,708.68 = 131,131.34 : x
  2. Step 2: Convert to fraction form
    233,101.60/321,708.68 = 131,131.34/x
  3. Step 3: Cross multiply
    233,101.60x = 321,708.68 × 131,131.34
  4. Step 4: Simplify right side
    233,101.60x = 42,186,089,731.98
  5. Step 5: Solve for x
    x = 42,186,089,731.98/233,101.60
  6. Step 6: Final answer
    x = 180,977.27

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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.