Home / 186,883.20-279,668.70-127,834.20

Finding the Fourth Proportional to 186,883.20, 279,668.70 and 127,834.20

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Solution

The fourth proportional to 186,883.20, 279,668.70 and 127,834.20 is: 191,302.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,883.20 : 279,668.70 = 127,834.20 : x
  2. Step 2: Convert to fraction form
    186,883.20/279,668.70 = 127,834.20/x
  3. Step 3: Cross multiply
    186,883.20x = 279,668.70 × 127,834.20
  4. Step 4: Simplify right side
    186,883.20x = 35,751,224,529.54
  5. Step 5: Solve for x
    x = 35,751,224,529.54/186,883.20
  6. Step 6: Final answer
    x = 191,302.51

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1.5x scale

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.