Home / 230,931.20-346,137.60-97,788.80

Finding the Fourth Proportional to 230,931.20, 346,137.60 and 97,788.80

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Solution

The fourth proportional to 230,931.20, 346,137.60 and 97,788.80 is: 146,573.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,931.20 : 346,137.60 = 97,788.80 : x
  2. Step 2: Convert to fraction form
    230,931.20/346,137.60 = 97,788.80/x
  3. Step 3: Cross multiply
    230,931.20x = 346,137.60 × 97,788.80
  4. Step 4: Simplify right side
    230,931.20x = 33,848,380,538.88
  5. Step 5: Solve for x
    x = 33,848,380,538.88/230,931.20
  6. Step 6: Final answer
    x = 146,573.44

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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.