Home / 108,526.56-149,646.06-68,191.80

Finding the Fourth Proportional to 108,526.56, 149,646.06 and 68,191.80

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Solution

The fourth proportional to 108,526.56, 149,646.06 and 68,191.80 is: 94,028.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,526.56 : 149,646.06 = 68,191.80 : x
  2. Step 2: Convert to fraction form
    108,526.56/149,646.06 = 68,191.80/x
  3. Step 3: Cross multiply
    108,526.56x = 149,646.06 × 68,191.80
  4. Step 4: Simplify right side
    108,526.56x = 10,204,634,194.31
  5. Step 5: Solve for x
    x = 10,204,634,194.31/108,526.56
  6. Step 6: Final answer
    x = 94,028.91

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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.