Home / 186,331.42-257,133.32-108,820.40

Finding the Fourth Proportional to 186,331.42, 257,133.32 and 108,820.40

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Solution

The fourth proportional to 186,331.42, 257,133.32 and 108,820.40 is: 150,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,331.42 : 257,133.32 = 108,820.40 : x
  2. Step 2: Convert to fraction form
    186,331.42/257,133.32 = 108,820.40/x
  3. Step 3: Cross multiply
    186,331.42x = 257,133.32 × 108,820.40
  4. Step 4: Simplify right side
    186,331.42x = 27,981,350,735.73
  5. Step 5: Solve for x
    x = 27,981,350,735.73/186,331.42
  6. Step 6: Final answer
    x = 150,169.80

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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.