Home / 161,992.32-223,553.81-101,557.29

Finding the Fourth Proportional to 161,992.32, 223,553.81 and 101,557.29

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Solution

The fourth proportional to 161,992.32, 223,553.81 and 101,557.29 is: 140,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,992.32 : 223,553.81 = 101,557.29 : x
  2. Step 2: Convert to fraction form
    161,992.32/223,553.81 = 101,557.29/x
  3. Step 3: Cross multiply
    161,992.32x = 223,553.81 × 101,557.29
  4. Step 4: Simplify right side
    161,992.32x = 22,703,519,112.77
  5. Step 5: Solve for x
    x = 22,703,519,112.77/161,992.32
  6. Step 6: Final answer
    x = 140,151.82

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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.