Home / 133,650.30-184,435.87-72,395.32

Finding the Fourth Proportional to 133,650.30, 184,435.87 and 72,395.32

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Solution

The fourth proportional to 133,650.30, 184,435.87 and 72,395.32 is: 99,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,650.30 : 184,435.87 = 72,395.32 : x
  2. Step 2: Convert to fraction form
    133,650.30/184,435.87 = 72,395.32/x
  3. Step 3: Cross multiply
    133,650.30x = 184,435.87 × 72,395.32
  4. Step 4: Simplify right side
    133,650.30x = 13,352,293,828.13
  5. Step 5: Solve for x
    x = 13,352,293,828.13/133,650.30
  6. Step 6: Final answer
    x = 99,904.71

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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.