Home / 156,241.10-215,611.62-84,619.47

Finding the Fourth Proportional to 156,241.10, 215,611.62 and 84,619.47

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Solution

The fourth proportional to 156,241.10, 215,611.62 and 84,619.47 is: 116,774.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,241.10 : 215,611.62 = 84,619.47 : x
  2. Step 2: Convert to fraction form
    156,241.10/215,611.62 = 84,619.47/x
  3. Step 3: Cross multiply
    156,241.10x = 215,611.62 × 84,619.47
  4. Step 4: Simplify right side
    156,241.10x = 18,244,941,010.24
  5. Step 5: Solve for x
    x = 18,244,941,010.24/156,241.10
  6. Step 6: Final answer
    x = 116,774.28

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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.