Home / 119,180.10-164,469.60-65,466.21

Finding the Fourth Proportional to 119,180.10, 164,469.60 and 65,466.21

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Solution

The fourth proportional to 119,180.10, 164,469.60 and 65,466.21 is: 90,343.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,180.10 : 164,469.60 = 65,466.21 : x
  2. Step 2: Convert to fraction form
    119,180.10/164,469.60 = 65,466.21/x
  3. Step 3: Cross multiply
    119,180.10x = 164,469.60 × 65,466.21
  4. Step 4: Simplify right side
    119,180.10x = 10,767,201,372.22
  5. Step 5: Solve for x
    x = 10,767,201,372.22/119,180.10
  6. Step 6: Final answer
    x = 90,343.95

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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.