Home / 103,676.40-154,705.76-92,506.32

Finding the Fourth Proportional to 103,676.40, 154,705.76 and 92,506.32

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Solution

The fourth proportional to 103,676.40, 154,705.76 and 92,506.32 is: 138,037.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,676.40 : 154,705.76 = 92,506.32 : x
  2. Step 2: Convert to fraction form
    103,676.40/154,705.76 = 92,506.32/x
  3. Step 3: Cross multiply
    103,676.40x = 154,705.76 × 92,506.32
  4. Step 4: Simplify right side
    103,676.40x = 14,311,260,540.40
  5. Step 5: Solve for x
    x = 14,311,260,540.40/103,676.40
  6. Step 6: Final answer
    x = 138,037.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.