Home / 141,127.70-194,749.10-83,769.54

Finding the Fourth Proportional to 141,127.70, 194,749.10 and 83,769.54

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Solution

The fourth proportional to 141,127.70, 194,749.10 and 83,769.54 is: 115,597.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,127.70 : 194,749.10 = 83,769.54 : x
  2. Step 2: Convert to fraction form
    141,127.70/194,749.10 = 83,769.54/x
  3. Step 3: Cross multiply
    141,127.70x = 194,749.10 × 83,769.54
  4. Step 4: Simplify right side
    141,127.70x = 16,314,042,522.41
  5. Step 5: Solve for x
    x = 16,314,042,522.41/141,127.70
  6. Step 6: Final answer
    x = 115,597.74

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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.