Home / 283,453.50-391,137.45-174,540.38

Finding the Fourth Proportional to 283,453.50, 391,137.45 and 174,540.38

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Solution

The fourth proportional to 283,453.50, 391,137.45 and 174,540.38 is: 240,848.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,453.50 : 391,137.45 = 174,540.38 : x
  2. Step 2: Convert to fraction form
    283,453.50/391,137.45 = 174,540.38/x
  3. Step 3: Cross multiply
    283,453.50x = 391,137.45 × 174,540.38
  4. Step 4: Simplify right side
    283,453.50x = 68,269,279,155.23
  5. Step 5: Solve for x
    x = 68,269,279,155.23/283,453.50
  6. Step 6: Final answer
    x = 240,848.25

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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.