Home / 186,949.84-258,020.40-118,895.86

Finding the Fourth Proportional to 186,949.84, 258,020.40 and 118,895.86

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Solution

The fourth proportional to 186,949.84, 258,020.40 and 118,895.86 is: 164,095.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,949.84 : 258,020.40 = 118,895.86 : x
  2. Step 2: Convert to fraction form
    186,949.84/258,020.40 = 118,895.86/x
  3. Step 3: Cross multiply
    186,949.84x = 258,020.40 × 118,895.86
  4. Step 4: Simplify right side
    186,949.84x = 30,677,557,355.54
  5. Step 5: Solve for x
    x = 30,677,557,355.54/186,949.84
  6. Step 6: Final answer
    x = 164,095.12

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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.