Home / 186,022.07-279,026.88-80,841.04

Finding the Fourth Proportional to 186,022.07, 279,026.88 and 80,841.04

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Solution

The fourth proportional to 186,022.07, 279,026.88 and 80,841.04 is: 121,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,022.07 : 279,026.88 = 80,841.04 : x
  2. Step 2: Convert to fraction form
    186,022.07/279,026.88 = 80,841.04/x
  3. Step 3: Cross multiply
    186,022.07x = 279,026.88 × 80,841.04
  4. Step 4: Simplify right side
    186,022.07x = 22,556,822,166.43
  5. Step 5: Solve for x
    x = 22,556,822,166.43/186,022.07
  6. Step 6: Final answer
    x = 121,258.85

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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.