Home / 156,110.27-215,524.99-102,489.28

Finding the Fourth Proportional to 156,110.27, 215,524.99 and 102,489.28

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Solution

The fourth proportional to 156,110.27, 215,524.99 and 102,489.28 is: 141,496.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,110.27 : 215,524.99 = 102,489.28 : x
  2. Step 2: Convert to fraction form
    156,110.27/215,524.99 = 102,489.28/x
  3. Step 3: Cross multiply
    156,110.27x = 215,524.99 × 102,489.28
  4. Step 4: Simplify right side
    156,110.27x = 22,089,000,636.41
  5. Step 5: Solve for x
    x = 22,089,000,636.41/156,110.27
  6. Step 6: Final answer
    x = 141,496.14

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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.