Home / 321,259.10-481,427.85-236,356.70

Finding the Fourth Proportional to 321,259.10, 481,427.85 and 236,356.70

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Solution

The fourth proportional to 321,259.10, 481,427.85 and 236,356.70 is: 354,196.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,259.10 : 481,427.85 = 236,356.70 : x
  2. Step 2: Convert to fraction form
    321,259.10/481,427.85 = 236,356.70/x
  3. Step 3: Cross multiply
    321,259.10x = 481,427.85 × 236,356.70
  4. Step 4: Simplify right side
    321,259.10x = 113,788,697,914.10
  5. Step 5: Solve for x
    x = 113,788,697,914.10/321,259.10
  6. Step 6: Final answer
    x = 354,196.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.