Home / 108,220.54-162,367.26-68,193.04

Finding the Fourth Proportional to 108,220.54, 162,367.26 and 68,193.04

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Solution

The fourth proportional to 108,220.54, 162,367.26 and 68,193.04 is: 102,312.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,220.54 : 162,367.26 = 68,193.04 : x
  2. Step 2: Convert to fraction form
    108,220.54/162,367.26 = 68,193.04/x
  3. Step 3: Cross multiply
    108,220.54x = 162,367.26 × 68,193.04
  4. Step 4: Simplify right side
    108,220.54x = 11,072,317,055.87
  5. Step 5: Solve for x
    x = 11,072,317,055.87/108,220.54
  6. Step 6: Final answer
    x = 102,312.53

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1.5x scale

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.