Home / 186,961.60-258,012.30-102,084.04

Finding the Fourth Proportional to 186,961.60, 258,012.30 and 102,084.04

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Solution

The fourth proportional to 186,961.60, 258,012.30 and 102,084.04 is: 140,878.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,961.60 : 258,012.30 = 102,084.04 : x
  2. Step 2: Convert to fraction form
    186,961.60/258,012.30 = 102,084.04/x
  3. Step 3: Cross multiply
    186,961.60x = 258,012.30 × 102,084.04
  4. Step 4: Simplify right side
    186,961.60x = 26,338,937,953.69
  5. Step 5: Solve for x
    x = 26,338,937,953.69/186,961.60
  6. Step 6: Final answer
    x = 140,878.86

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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.