Home / 133,860.63-184,729.10-73,431.39

Finding the Fourth Proportional to 133,860.63, 184,729.10 and 73,431.39

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Solution

The fourth proportional to 133,860.63, 184,729.10 and 73,431.39 is: 101,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,860.63 : 184,729.10 = 73,431.39 : x
  2. Step 2: Convert to fraction form
    133,860.63/184,729.10 = 73,431.39/x
  3. Step 3: Cross multiply
    133,860.63x = 184,729.10 × 73,431.39
  4. Step 4: Simplify right side
    133,860.63x = 13,564,914,219.29
  5. Step 5: Solve for x
    x = 13,564,914,219.29/133,860.63
  6. Step 6: Final answer
    x = 101,336.10

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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.