Home / 186,185.49-279,278.79-51,251.33

Finding the Fourth Proportional to 186,185.49, 279,278.79 and 51,251.33

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Solution

The fourth proportional to 186,185.49, 279,278.79 and 51,251.33 is: 76,877.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,185.49 : 279,278.79 = 51,251.33 : x
  2. Step 2: Convert to fraction form
    186,185.49/279,278.79 = 51,251.33/x
  3. Step 3: Cross multiply
    186,185.49x = 279,278.79 × 51,251.33
  4. Step 4: Simplify right side
    186,185.49x = 14,313,409,934.30
  5. Step 5: Solve for x
    x = 14,313,409,934.30/186,185.49
  6. Step 6: Final answer
    x = 76,877.15

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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.