Home / 120,401.19-180,597.74-57,251.97

Finding the Fourth Proportional to 120,401.19, 180,597.74 and 57,251.97

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Solution

The fourth proportional to 120,401.19, 180,597.74 and 57,251.97 is: 85,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,401.19 : 180,597.74 = 57,251.97 : x
  2. Step 2: Convert to fraction form
    120,401.19/180,597.74 = 57,251.97/x
  3. Step 3: Cross multiply
    120,401.19x = 180,597.74 × 57,251.97
  4. Step 4: Simplify right side
    120,401.19x = 10,339,576,106.29
  5. Step 5: Solve for x
    x = 10,339,576,106.29/120,401.19
  6. Step 6: Final answer
    x = 85,876.03

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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.