Home / 133,838.08-184,708.40-73,420.50

Finding the Fourth Proportional to 133,838.08, 184,708.40 and 73,420.50

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Solution

The fourth proportional to 133,838.08, 184,708.40 and 73,420.50 is: 101,326.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,838.08 : 184,708.40 = 73,420.50 : x
  2. Step 2: Convert to fraction form
    133,838.08/184,708.40 = 73,420.50/x
  3. Step 3: Cross multiply
    133,838.08x = 184,708.40 × 73,420.50
  4. Step 4: Simplify right side
    133,838.08x = 13,561,383,082.20
  5. Step 5: Solve for x
    x = 13,561,383,082.20/133,838.08
  6. Step 6: Final answer
    x = 101,326.79

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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.