Home / 199,181.60-298,772.40-51,437.60

Finding the Fourth Proportional to 199,181.60, 298,772.40 and 51,437.60

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Solution

The fourth proportional to 199,181.60, 298,772.40 and 51,437.60 is: 77,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,181.60 : 298,772.40 = 51,437.60 : x
  2. Step 2: Convert to fraction form
    199,181.60/298,772.40 = 51,437.60/x
  3. Step 3: Cross multiply
    199,181.60x = 298,772.40 × 51,437.60
  4. Step 4: Simplify right side
    199,181.60x = 15,368,135,202.24
  5. Step 5: Solve for x
    x = 15,368,135,202.24/199,181.60
  6. Step 6: Final answer
    x = 77,156.40

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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.