Home / 186,265.10-279,465.24-115,104.80

Finding the Fourth Proportional to 186,265.10, 279,465.24 and 115,104.80

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Solution

The fourth proportional to 186,265.10, 279,465.24 and 115,104.80 is: 172,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,265.10 : 279,465.24 = 115,104.80 : x
  2. Step 2: Convert to fraction form
    186,265.10/279,465.24 = 115,104.80/x
  3. Step 3: Cross multiply
    186,265.10x = 279,465.24 × 115,104.80
  4. Step 4: Simplify right side
    186,265.10x = 32,167,790,557.15
  5. Step 5: Solve for x
    x = 32,167,790,557.15/186,265.10
  6. Step 6: Final answer
    x = 172,698.97

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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.