Home / 134,481.13-185,591.64-74,064.67

Finding the Fourth Proportional to 134,481.13, 185,591.64 and 74,064.67

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Solution

The fourth proportional to 134,481.13, 185,591.64 and 74,064.67 is: 102,213.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,481.13 : 185,591.64 = 74,064.67 : x
  2. Step 2: Convert to fraction form
    134,481.13/185,591.64 = 74,064.67/x
  3. Step 3: Cross multiply
    134,481.13x = 185,591.64 × 74,064.67
  4. Step 4: Simplify right side
    134,481.13x = 13,745,783,571.36
  5. Step 5: Solve for x
    x = 13,745,783,571.36/134,481.13
  6. Step 6: Final answer
    x = 102,213.47

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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.