Home / 283,954.10-391,911.09-170,813.30

Finding the Fourth Proportional to 283,954.10, 391,911.09 and 170,813.30

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Solution

The fourth proportional to 283,954.10, 391,911.09 and 170,813.30 is: 235,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,954.10 : 391,911.09 = 170,813.30 : x
  2. Step 2: Convert to fraction form
    283,954.10/391,911.09 = 170,813.30/x
  3. Step 3: Cross multiply
    283,954.10x = 391,911.09 × 170,813.30
  4. Step 4: Simplify right side
    283,954.10x = 66,943,626,589.50
  5. Step 5: Solve for x
    x = 66,943,626,589.50/283,954.10
  6. Step 6: Final answer
    x = 235,755.10

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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.