Home / 108,023.40-161,840.70-88,194.60

Finding the Fourth Proportional to 108,023.40, 161,840.70 and 88,194.60

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Solution

The fourth proportional to 108,023.40, 161,840.70 and 88,194.60 is: 132,133.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,023.40 : 161,840.70 = 88,194.60 : x
  2. Step 2: Convert to fraction form
    108,023.40/161,840.70 = 88,194.60/x
  3. Step 3: Cross multiply
    108,023.40x = 161,840.70 × 88,194.60
  4. Step 4: Simplify right side
    108,023.40x = 14,273,475,800.22
  5. Step 5: Solve for x
    x = 14,273,475,800.22/108,023.40
  6. Step 6: Final answer
    x = 132,133.18

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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.