Home / 186,067.08-256,819.62-105,542.52

Finding the Fourth Proportional to 186,067.08, 256,819.62 and 105,542.52

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Solution

The fourth proportional to 186,067.08, 256,819.62 and 105,542.52 is: 145,675.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,067.08 : 256,819.62 = 105,542.52 : x
  2. Step 2: Convert to fraction form
    186,067.08/256,819.62 = 105,542.52/x
  3. Step 3: Cross multiply
    186,067.08x = 256,819.62 × 105,542.52
  4. Step 4: Simplify right side
    186,067.08x = 27,105,389,880.24
  5. Step 5: Solve for x
    x = 27,105,389,880.24/186,067.08
  6. Step 6: Final answer
    x = 145,675.37

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1.5x scale

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.