Home / 133,871.07-184,710.38-75,729.14

Finding the Fourth Proportional to 133,871.07, 184,710.38 and 75,729.14

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Solution

The fourth proportional to 133,871.07, 184,710.38 and 75,729.14 is: 104,488.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,871.07 : 184,710.38 = 75,729.14 : x
  2. Step 2: Convert to fraction form
    133,871.07/184,710.38 = 75,729.14/x
  3. Step 3: Cross multiply
    133,871.07x = 184,710.38 × 75,729.14
  4. Step 4: Simplify right side
    133,871.07x = 13,987,958,153.73
  5. Step 5: Solve for x
    x = 13,987,958,153.73/133,871.07
  6. Step 6: Final answer
    x = 104,488.29

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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.