Home / 194,930.80-292,396.20-193,087.60

Finding the Fourth Proportional to 194,930.80, 292,396.20 and 193,087.60

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Solution

The fourth proportional to 194,930.80, 292,396.20 and 193,087.60 is: 289,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,930.80 : 292,396.20 = 193,087.60 : x
  2. Step 2: Convert to fraction form
    194,930.80/292,396.20 = 193,087.60/x
  3. Step 3: Cross multiply
    194,930.80x = 292,396.20 × 193,087.60
  4. Step 4: Simplify right side
    194,930.80x = 56,458,080,507.12
  5. Step 5: Solve for x
    x = 56,458,080,507.12/194,930.80
  6. Step 6: Final answer
    x = 289,631.40

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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.