Home / 131,632.92-181,656.54-75,049.56

Finding the Fourth Proportional to 131,632.92, 181,656.54 and 75,049.56

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Solution

The fourth proportional to 131,632.92, 181,656.54 and 75,049.56 is: 103,570.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,632.92 : 181,656.54 = 75,049.56 : x
  2. Step 2: Convert to fraction form
    131,632.92/181,656.54 = 75,049.56/x
  3. Step 3: Cross multiply
    131,632.92x = 181,656.54 × 75,049.56
  4. Step 4: Simplify right side
    131,632.92x = 13,633,243,398.12
  5. Step 5: Solve for x
    x = 13,633,243,398.12/131,632.92
  6. Step 6: Final answer
    x = 103,570.17

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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.