Home / 119,738.16-179,676.99-66,474.72

Finding the Fourth Proportional to 119,738.16, 179,676.99 and 66,474.72

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Solution

The fourth proportional to 119,738.16, 179,676.99 and 66,474.72 is: 99,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,738.16 : 179,676.99 = 66,474.72 : x
  2. Step 2: Convert to fraction form
    119,738.16/179,676.99 = 66,474.72/x
  3. Step 3: Cross multiply
    119,738.16x = 179,676.99 × 66,474.72
  4. Step 4: Simplify right side
    119,738.16x = 11,943,977,600.69
  5. Step 5: Solve for x
    x = 11,943,977,600.69/119,738.16
  6. Step 6: Final answer
    x = 99,750.80

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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.