Home / 328,418.41-453,140.13-199,353.70

Finding the Fourth Proportional to 328,418.41, 453,140.13 and 199,353.70

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Solution

The fourth proportional to 328,418.41, 453,140.13 and 199,353.70 is: 275,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,418.41 : 453,140.13 = 199,353.70 : x
  2. Step 2: Convert to fraction form
    328,418.41/453,140.13 = 199,353.70/x
  3. Step 3: Cross multiply
    328,418.41x = 453,140.13 × 199,353.70
  4. Step 4: Simplify right side
    328,418.41x = 90,335,161,533.98
  5. Step 5: Solve for x
    x = 90,335,161,533.98/328,418.41
  6. Step 6: Final answer
    x = 275,061.20

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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.