Home / 133,168.32-183,811.68-76,619.52

Finding the Fourth Proportional to 133,168.32, 183,811.68 and 76,619.52

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Solution

The fourth proportional to 133,168.32, 183,811.68 and 76,619.52 is: 105,757.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,168.32 : 183,811.68 = 76,619.52 : x
  2. Step 2: Convert to fraction form
    133,168.32/183,811.68 = 76,619.52/x
  3. Step 3: Cross multiply
    133,168.32x = 183,811.68 × 76,619.52
  4. Step 4: Simplify right side
    133,168.32x = 14,083,562,691.99
  5. Step 5: Solve for x
    x = 14,083,562,691.99/133,168.32
  6. Step 6: Final answer
    x = 105,757.61

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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.