Home / 156,012.26-215,312.61-95,623.04

Finding the Fourth Proportional to 156,012.26, 215,312.61 and 95,623.04

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Solution

The fourth proportional to 156,012.26, 215,312.61 and 95,623.04 is: 131,969.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,012.26 : 215,312.61 = 95,623.04 : x
  2. Step 2: Convert to fraction form
    156,012.26/215,312.61 = 95,623.04/x
  3. Step 3: Cross multiply
    156,012.26x = 215,312.61 × 95,623.04
  4. Step 4: Simplify right side
    156,012.26x = 20,588,845,241.97
  5. Step 5: Solve for x
    x = 20,588,845,241.97/156,012.26
  6. Step 6: Final answer
    x = 131,969.41

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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.