Home / 108,457.43-149,725.62-68,193.36

Finding the Fourth Proportional to 108,457.43, 149,725.62 and 68,193.36

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Solution

The fourth proportional to 108,457.43, 149,725.62 and 68,193.36 is: 94,141.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,457.43 : 149,725.62 = 68,193.36 : x
  2. Step 2: Convert to fraction form
    108,457.43/149,725.62 = 68,193.36/x
  3. Step 3: Cross multiply
    108,457.43x = 149,725.62 × 68,193.36
  4. Step 4: Simplify right side
    108,457.43x = 10,210,293,105.88
  5. Step 5: Solve for x
    x = 10,210,293,105.88/108,457.43
  6. Step 6: Final answer
    x = 94,141.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.