Home / 298,936.64-412,216.08-191,511.20

Finding the Fourth Proportional to 298,936.64, 412,216.08 and 191,511.20

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Solution

The fourth proportional to 298,936.64, 412,216.08 and 191,511.20 is: 264,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,936.64 : 412,216.08 = 191,511.20 : x
  2. Step 2: Convert to fraction form
    298,936.64/412,216.08 = 191,511.20/x
  3. Step 3: Cross multiply
    298,936.64x = 412,216.08 × 191,511.20
  4. Step 4: Simplify right side
    298,936.64x = 78,943,996,140.10
  5. Step 5: Solve for x
    x = 78,943,996,140.10/298,936.64
  6. Step 6: Final answer
    x = 264,082.70

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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.