Home / 446,922.30-670,399.65-131,411.10

Finding the Fourth Proportional to 446,922.30, 670,399.65 and 131,411.10

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Solution

The fourth proportional to 446,922.30, 670,399.65 and 131,411.10 is: 197,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,922.30 : 670,399.65 = 131,411.10 : x
  2. Step 2: Convert to fraction form
    446,922.30/670,399.65 = 131,411.10/x
  3. Step 3: Cross multiply
    446,922.30x = 670,399.65 × 131,411.10
  4. Step 4: Simplify right side
    446,922.30x = 88,097,955,446.12
  5. Step 5: Solve for x
    x = 88,097,955,446.12/446,922.30
  6. Step 6: Final answer
    x = 197,121.41

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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.