Home / 131,224.34-181,087.43-73,080.51

Finding the Fourth Proportional to 131,224.34, 181,087.43 and 73,080.51

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Solution

The fourth proportional to 131,224.34, 181,087.43 and 73,080.51 is: 100,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,224.34 : 181,087.43 = 73,080.51 : x
  2. Step 2: Convert to fraction form
    131,224.34/181,087.43 = 73,080.51/x
  3. Step 3: Cross multiply
    131,224.34x = 181,087.43 × 73,080.51
  4. Step 4: Simplify right side
    131,224.34x = 13,233,961,373.59
  5. Step 5: Solve for x
    x = 13,233,961,373.59/131,224.34
  6. Step 6: Final answer
    x = 100,849.90

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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.