Home / 186,817.82-257,814.29-106,256.96

Finding the Fourth Proportional to 186,817.82, 257,814.29 and 106,256.96

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Solution

The fourth proportional to 186,817.82, 257,814.29 and 106,256.96 is: 146,637.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,817.82 : 257,814.29 = 106,256.96 : x
  2. Step 2: Convert to fraction form
    186,817.82/257,814.29 = 106,256.96/x
  3. Step 3: Cross multiply
    186,817.82x = 257,814.29 × 106,256.96
  4. Step 4: Simplify right side
    186,817.82x = 27,394,561,676.53
  5. Step 5: Solve for x
    x = 27,394,561,676.53/186,817.82
  6. Step 6: Final answer
    x = 146,637.84

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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.