Home / 131,806.17-181,883.68-73,659.11

Finding the Fourth Proportional to 131,806.17, 181,883.68 and 73,659.11

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Solution

The fourth proportional to 131,806.17, 181,883.68 and 73,659.11 is: 101,644.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,806.17 : 181,883.68 = 73,659.11 : x
  2. Step 2: Convert to fraction form
    131,806.17/181,883.68 = 73,659.11/x
  3. Step 3: Cross multiply
    131,806.17x = 181,883.68 × 73,659.11
  4. Step 4: Simplify right side
    131,806.17x = 13,397,388,898.76
  5. Step 5: Solve for x
    x = 13,397,388,898.76/131,806.17
  6. Step 6: Final answer
    x = 101,644.63

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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.