Home / 108,286.06-162,176.77-105,296.62

Finding the Fourth Proportional to 108,286.06, 162,176.77 and 105,296.62

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Solution

The fourth proportional to 108,286.06, 162,176.77 and 105,296.62 is: 157,699.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,286.06 : 162,176.77 = 105,296.62 : x
  2. Step 2: Convert to fraction form
    108,286.06/162,176.77 = 105,296.62/x
  3. Step 3: Cross multiply
    108,286.06x = 162,176.77 × 105,296.62
  4. Step 4: Simplify right side
    108,286.06x = 17,076,664,649.39
  5. Step 5: Solve for x
    x = 17,076,664,649.39/108,286.06
  6. Step 6: Final answer
    x = 157,699.57

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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.