Home / 104,072.21-156,079.96-29,187.71

Finding the Fourth Proportional to 104,072.21, 156,079.96 and 29,187.71

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Solution

The fourth proportional to 104,072.21, 156,079.96 and 29,187.71 is: 43,773.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,072.21 : 156,079.96 = 29,187.71 : x
  2. Step 2: Convert to fraction form
    104,072.21/156,079.96 = 29,187.71/x
  3. Step 3: Cross multiply
    104,072.21x = 156,079.96 × 29,187.71
  4. Step 4: Simplify right side
    104,072.21x = 4,555,616,609.29
  5. Step 5: Solve for x
    x = 4,555,616,609.29/104,072.21
  6. Step 6: Final answer
    x = 43,773.61

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1.5x scale

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.