Home / 104,091.60-156,121.20-29,204.40

Finding the Fourth Proportional to 104,091.60, 156,121.20 and 29,204.40

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Solution

The fourth proportional to 104,091.60, 156,121.20 and 29,204.40 is: 43,802.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,091.60 : 156,121.20 = 29,204.40 : x
  2. Step 2: Convert to fraction form
    104,091.60/156,121.20 = 29,204.40/x
  3. Step 3: Cross multiply
    104,091.60x = 156,121.20 × 29,204.40
  4. Step 4: Simplify right side
    104,091.60x = 4,559,425,973.28
  5. Step 5: Solve for x
    x = 4,559,425,973.28/104,091.60
  6. Step 6: Final answer
    x = 43,802.05

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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.