Home / 283,641.60-391,415.48-154,577.44

Finding the Fourth Proportional to 283,641.60, 391,415.48 and 154,577.44

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Solution

The fourth proportional to 283,641.60, 391,415.48 and 154,577.44 is: 213,311.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,641.60 : 391,415.48 = 154,577.44 : x
  2. Step 2: Convert to fraction form
    283,641.60/391,415.48 = 154,577.44/x
  3. Step 3: Cross multiply
    283,641.60x = 391,415.48 × 154,577.44
  4. Step 4: Simplify right side
    283,641.60x = 60,504,004,329.51
  5. Step 5: Solve for x
    x = 60,504,004,329.51/283,641.60
  6. Step 6: Final answer
    x = 213,311.46

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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.