Home / 328,860.23-453,659.94-199,764.45

Finding the Fourth Proportional to 328,860.23, 453,659.94 and 199,764.45

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Solution

The fourth proportional to 328,860.23, 453,659.94 and 199,764.45 is: 275,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,860.23 : 453,659.94 = 199,764.45 : x
  2. Step 2: Convert to fraction form
    328,860.23/453,659.94 = 199,764.45/x
  3. Step 3: Cross multiply
    328,860.23x = 453,659.94 × 199,764.45
  4. Step 4: Simplify right side
    328,860.23x = 90,625,128,401.13
  5. Step 5: Solve for x
    x = 90,625,128,401.13/328,860.23
  6. Step 6: Final answer
    x = 275,573.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.