Home / 108,813.32-162,899.22-106,130.60

Finding the Fourth Proportional to 108,813.32, 162,899.22 and 106,130.60

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Solution

The fourth proportional to 108,813.32, 162,899.22 and 106,130.60 is: 158,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,813.32 : 162,899.22 = 106,130.60 : x
  2. Step 2: Convert to fraction form
    108,813.32/162,899.22 = 106,130.60/x
  3. Step 3: Cross multiply
    108,813.32x = 162,899.22 × 106,130.60
  4. Step 4: Simplify right side
    108,813.32x = 17,288,591,958.13
  5. Step 5: Solve for x
    x = 17,288,591,958.13/108,813.32
  6. Step 6: Final answer
    x = 158,883.05

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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.