Home / 219,676.32-303,166.40-124,191.90

Finding the Fourth Proportional to 219,676.32, 303,166.40 and 124,191.90

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Solution

The fourth proportional to 219,676.32, 303,166.40 and 124,191.90 is: 171,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,676.32 : 303,166.40 = 124,191.90 : x
  2. Step 2: Convert to fraction form
    219,676.32/303,166.40 = 124,191.90/x
  3. Step 3: Cross multiply
    219,676.32x = 303,166.40 × 124,191.90
  4. Step 4: Simplify right side
    219,676.32x = 37,650,810,611.20
  5. Step 5: Solve for x
    x = 37,650,810,611.20/219,676.32
  6. Step 6: Final answer
    x = 171,392.21

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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.