Home / 186,786.04-257,763.52-106,213.56

Finding the Fourth Proportional to 186,786.04, 257,763.52 and 106,213.56

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Solution

The fourth proportional to 186,786.04, 257,763.52 and 106,213.56 is: 146,574.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,786.04 : 257,763.52 = 106,213.56 : x
  2. Step 2: Convert to fraction form
    186,786.04/257,763.52 = 106,213.56/x
  3. Step 3: Cross multiply
    186,786.04x = 257,763.52 × 106,213.56
  4. Step 4: Simplify right side
    186,786.04x = 27,377,981,097.33
  5. Step 5: Solve for x
    x = 27,377,981,097.33/186,786.04
  6. Step 6: Final answer
    x = 146,574.02

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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.