Home / 131,018.57-180,812.04-73,675.94

Finding the Fourth Proportional to 131,018.57, 180,812.04 and 73,675.94

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Solution

The fourth proportional to 131,018.57, 180,812.04 and 73,675.94 is: 101,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,018.57 : 180,812.04 = 73,675.94 : x
  2. Step 2: Convert to fraction form
    131,018.57/180,812.04 = 73,675.94/x
  3. Step 3: Cross multiply
    131,018.57x = 180,812.04 × 73,675.94
  4. Step 4: Simplify right side
    131,018.57x = 13,321,497,054.25
  5. Step 5: Solve for x
    x = 13,321,497,054.25/131,018.57
  6. Step 6: Final answer
    x = 101,676.40

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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.