Home / 131,160.51-180,997.59-73,803.03

Finding the Fourth Proportional to 131,160.51, 180,997.59 and 73,803.03

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Solution

The fourth proportional to 131,160.51, 180,997.59 and 73,803.03 is: 101,845.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,160.51 : 180,997.59 = 73,803.03 : x
  2. Step 2: Convert to fraction form
    131,160.51/180,997.59 = 73,803.03/x
  3. Step 3: Cross multiply
    131,160.51x = 180,997.59 × 73,803.03
  4. Step 4: Simplify right side
    131,160.51x = 13,358,170,564.70
  5. Step 5: Solve for x
    x = 13,358,170,564.70/131,160.51
  6. Step 6: Final answer
    x = 101,845.98

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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.