Home / 297,975.80-446,618.10-120,366.20

Finding the Fourth Proportional to 297,975.80, 446,618.10 and 120,366.20

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Solution

The fourth proportional to 297,975.80, 446,618.10 and 120,366.20 is: 180,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,975.80 : 446,618.10 = 120,366.20 : x
  2. Step 2: Convert to fraction form
    297,975.80/446,618.10 = 120,366.20/x
  3. Step 3: Cross multiply
    297,975.80x = 446,618.10 × 120,366.20
  4. Step 4: Simplify right side
    297,975.80x = 53,757,723,548.22
  5. Step 5: Solve for x
    x = 53,757,723,548.22/297,975.80
  6. Step 6: Final answer
    x = 180,409.70

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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.