Home / 186,784.05-257,760.75-106,211.55

Finding the Fourth Proportional to 186,784.05, 257,760.75 and 106,211.55

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Solution

The fourth proportional to 186,784.05, 257,760.75 and 106,211.55 is: 146,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,784.05 : 257,760.75 = 106,211.55 : x
  2. Step 2: Convert to fraction form
    186,784.05/257,760.75 = 106,211.55/x
  3. Step 3: Cross multiply
    186,784.05x = 257,760.75 × 106,211.55
  4. Step 4: Simplify right side
    186,784.05x = 27,377,168,786.66
  5. Step 5: Solve for x
    x = 27,377,168,786.66/186,784.05
  6. Step 6: Final answer
    x = 146,571.23

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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.