Home / 117,115.24-161,891.40-104,493.52

Finding the Fourth Proportional to 117,115.24, 161,891.40 and 104,493.52

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Solution

The fourth proportional to 117,115.24, 161,891.40 and 104,493.52 is: 144,444.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,115.24 : 161,891.40 = 104,493.52 : x
  2. Step 2: Convert to fraction form
    117,115.24/161,891.40 = 104,493.52/x
  3. Step 3: Cross multiply
    117,115.24x = 161,891.40 × 104,493.52
  4. Step 4: Simplify right side
    117,115.24x = 16,916,602,230.85
  5. Step 5: Solve for x
    x = 16,916,602,230.85/117,115.24
  6. Step 6: Final answer
    x = 144,444.07

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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.