Home / 168,128.56-252,106.44-49,785.04

Finding the Fourth Proportional to 168,128.56, 252,106.44 and 49,785.04

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Solution

The fourth proportional to 168,128.56, 252,106.44 and 49,785.04 is: 74,651.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,128.56 : 252,106.44 = 49,785.04 : x
  2. Step 2: Convert to fraction form
    168,128.56/252,106.44 = 49,785.04/x
  3. Step 3: Cross multiply
    168,128.56x = 252,106.44 × 49,785.04
  4. Step 4: Simplify right side
    168,128.56x = 12,551,129,199.66
  5. Step 5: Solve for x
    x = 12,551,129,199.66/168,128.56
  6. Step 6: Final answer
    x = 74,651.98

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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.