Home / 279,922.21-385,555.48-232,022.05

Finding the Fourth Proportional to 279,922.21, 385,555.48 and 232,022.05

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Solution

The fourth proportional to 279,922.21, 385,555.48 and 232,022.05 is: 319,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,922.21 : 385,555.48 = 232,022.05 : x
  2. Step 2: Convert to fraction form
    279,922.21/385,555.48 = 232,022.05/x
  3. Step 3: Cross multiply
    279,922.21x = 385,555.48 × 232,022.05
  4. Step 4: Simplify right side
    279,922.21x = 89,457,372,858.33
  5. Step 5: Solve for x
    x = 89,457,372,858.33/279,922.21
  6. Step 6: Final answer
    x = 319,579.40

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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.