Home / 131,114.46-180,936.14-73,749.45

Finding the Fourth Proportional to 131,114.46, 180,936.14 and 73,749.45

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Solution

The fourth proportional to 131,114.46, 180,936.14 and 73,749.45 is: 101,773.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,114.46 : 180,936.14 = 73,749.45 : x
  2. Step 2: Convert to fraction form
    131,114.46/180,936.14 = 73,749.45/x
  3. Step 3: Cross multiply
    131,114.46x = 180,936.14 × 73,749.45
  4. Step 4: Simplify right side
    131,114.46x = 13,343,940,441.38
  5. Step 5: Solve for x
    x = 13,343,940,441.38/131,114.46
  6. Step 6: Final answer
    x = 101,773.22

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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.