Home / 127,414.11-191,116.31-38,664.03

Finding the Fourth Proportional to 127,414.11, 191,116.31 and 38,664.03

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Solution

The fourth proportional to 127,414.11, 191,116.31 and 38,664.03 is: 57,994.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,414.11 : 191,116.31 = 38,664.03 : x
  2. Step 2: Convert to fraction form
    127,414.11/191,116.31 = 38,664.03/x
  3. Step 3: Cross multiply
    127,414.11x = 191,116.31 × 38,664.03
  4. Step 4: Simplify right side
    127,414.11x = 7,389,327,484.18
  5. Step 5: Solve for x
    x = 7,389,327,484.18/127,414.11
  6. Step 6: Final answer
    x = 57,994.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.