Home / 108,082.48-161,791.54-92,139.28

Finding the Fourth Proportional to 108,082.48, 161,791.54 and 92,139.28

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Solution

The fourth proportional to 108,082.48, 161,791.54 and 92,139.28 is: 137,925.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,082.48 : 161,791.54 = 92,139.28 : x
  2. Step 2: Convert to fraction form
    108,082.48/161,791.54 = 92,139.28/x
  3. Step 3: Cross multiply
    108,082.48x = 161,791.54 × 92,139.28
  4. Step 4: Simplify right side
    108,082.48x = 14,907,356,005.69
  5. Step 5: Solve for x
    x = 14,907,356,005.69/108,082.48
  6. Step 6: Final answer
    x = 137,925.74

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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.