Home / 134,261.91-185,236.08-76,112.41

Finding the Fourth Proportional to 134,261.91, 185,236.08 and 76,112.41

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Solution

The fourth proportional to 134,261.91, 185,236.08 and 76,112.41 is: 105,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,261.91 : 185,236.08 = 76,112.41 : x
  2. Step 2: Convert to fraction form
    134,261.91/185,236.08 = 76,112.41/x
  3. Step 3: Cross multiply
    134,261.91x = 185,236.08 × 76,112.41
  4. Step 4: Simplify right side
    134,261.91x = 14,098,764,467.75
  5. Step 5: Solve for x
    x = 14,098,764,467.75/134,261.91
  6. Step 6: Final answer
    x = 105,009.41

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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.