Home / 311,913.40-467,562.90-154,166.20

Finding the Fourth Proportional to 311,913.40, 467,562.90 and 154,166.20

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Solution

The fourth proportional to 311,913.40, 467,562.90 and 154,166.20 is: 231,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,913.40 : 467,562.90 = 154,166.20 : x
  2. Step 2: Convert to fraction form
    311,913.40/467,562.90 = 154,166.20/x
  3. Step 3: Cross multiply
    311,913.40x = 467,562.90 × 154,166.20
  4. Step 4: Simplify right side
    311,913.40x = 72,082,395,553.98
  5. Step 5: Solve for x
    x = 72,082,395,553.98/311,913.40
  6. Step 6: Final answer
    x = 231,097.46

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1.5x scale

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.