Home / 311,811.90-467,855.55-151,799.10

Finding the Fourth Proportional to 311,811.90, 467,855.55 and 151,799.10

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Solution

The fourth proportional to 311,811.90, 467,855.55 and 151,799.10 is: 227,765.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,811.90 : 467,855.55 = 151,799.10 : x
  2. Step 2: Convert to fraction form
    311,811.90/467,855.55 = 151,799.10/x
  3. Step 3: Cross multiply
    311,811.90x = 467,855.55 × 151,799.10
  4. Step 4: Simplify right side
    311,811.90x = 71,020,051,420.01
  5. Step 5: Solve for x
    x = 71,020,051,420.01/311,811.90
  6. Step 6: Final answer
    x = 227,765.69

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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.