Home / 266,423.03-399,290.06-199,336.80

Finding the Fourth Proportional to 266,423.03, 399,290.06 and 199,336.80

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Solution

The fourth proportional to 266,423.03, 399,290.06 and 199,336.80 is: 298,747.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,423.03 : 399,290.06 = 199,336.80 : x
  2. Step 2: Convert to fraction form
    266,423.03/399,290.06 = 199,336.80/x
  3. Step 3: Cross multiply
    266,423.03x = 399,290.06 × 199,336.80
  4. Step 4: Simplify right side
    266,423.03x = 79,593,201,835.52
  5. Step 5: Solve for x
    x = 79,593,201,835.52/266,423.03
  6. Step 6: Final answer
    x = 298,747.46

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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.