Home / 136,475.06-188,333.04-76,044.41

Finding the Fourth Proportional to 136,475.06, 188,333.04 and 76,044.41

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Solution

The fourth proportional to 136,475.06, 188,333.04 and 76,044.41 is: 104,939.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,475.06 : 188,333.04 = 76,044.41 : x
  2. Step 2: Convert to fraction form
    136,475.06/188,333.04 = 76,044.41/x
  3. Step 3: Cross multiply
    136,475.06x = 188,333.04 × 76,044.41
  4. Step 4: Simplify right side
    136,475.06x = 14,321,674,910.31
  5. Step 5: Solve for x
    x = 14,321,674,910.31/136,475.06
  6. Step 6: Final answer
    x = 104,939.87

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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.