Home / 297,821.25-446,731.88-76,205.25

Finding the Fourth Proportional to 297,821.25, 446,731.88 and 76,205.25

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Solution

The fourth proportional to 297,821.25, 446,731.88 and 76,205.25 is: 114,307.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,821.25 : 446,731.88 = 76,205.25 : x
  2. Step 2: Convert to fraction form
    297,821.25/446,731.88 = 76,205.25/x
  3. Step 3: Cross multiply
    297,821.25x = 446,731.88 × 76,205.25
  4. Step 4: Simplify right side
    297,821.25x = 34,043,314,217.34
  5. Step 5: Solve for x
    x = 34,043,314,217.34/297,821.25
  6. Step 6: Final answer
    x = 114,307.88

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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.