Home / 186,994.19-258,072.30-115,372.37

Finding the Fourth Proportional to 186,994.19, 258,072.30 and 115,372.37

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Solution

The fourth proportional to 186,994.19, 258,072.30 and 115,372.37 is: 159,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,994.19 : 258,072.30 = 115,372.37 : x
  2. Step 2: Convert to fraction form
    186,994.19/258,072.30 = 115,372.37/x
  3. Step 3: Cross multiply
    186,994.19x = 258,072.30 × 115,372.37
  4. Step 4: Simplify right side
    186,994.19x = 29,774,411,591.99
  5. Step 5: Solve for x
    x = 29,774,411,591.99/186,994.19
  6. Step 6: Final answer
    x = 159,226.40

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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.