Home / 311,927.21-467,927.40-109,461.50

Finding the Fourth Proportional to 311,927.21, 467,927.40 and 109,461.50

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Solution

The fourth proportional to 311,927.21, 467,927.40 and 109,461.50 is: 164,205.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,927.21 : 467,927.40 = 109,461.50 : x
  2. Step 2: Convert to fraction form
    311,927.21/467,927.40 = 109,461.50/x
  3. Step 3: Cross multiply
    311,927.21x = 467,927.40 × 109,461.50
  4. Step 4: Simplify right side
    311,927.21x = 51,220,035,095.10
  5. Step 5: Solve for x
    x = 51,220,035,095.10/311,927.21
  6. Step 6: Final answer
    x = 164,205.09

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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.