Home / 108,106.40-161,722.20-94,984.40

Finding the Fourth Proportional to 108,106.40, 161,722.20 and 94,984.40

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Solution

The fourth proportional to 108,106.40, 161,722.20 and 94,984.40 is: 142,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,106.40 : 161,722.20 = 94,984.40 : x
  2. Step 2: Convert to fraction form
    108,106.40/161,722.20 = 94,984.40/x
  3. Step 3: Cross multiply
    108,106.40x = 161,722.20 × 94,984.40
  4. Step 4: Simplify right side
    108,106.40x = 15,361,086,133.68
  5. Step 5: Solve for x
    x = 15,361,086,133.68/108,106.40
  6. Step 6: Final answer
    x = 142,092.29

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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.