Home / 186,321.06-279,382.50-136,522.80

Finding the Fourth Proportional to 186,321.06, 279,382.50 and 136,522.80

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Solution

The fourth proportional to 186,321.06, 279,382.50 and 136,522.80 is: 204,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,321.06 : 279,382.50 = 136,522.80 : x
  2. Step 2: Convert to fraction form
    186,321.06/279,382.50 = 136,522.80/x
  3. Step 3: Cross multiply
    186,321.06x = 279,382.50 × 136,522.80
  4. Step 4: Simplify right side
    186,321.06x = 38,142,081,171
  5. Step 5: Solve for x
    x = 38,142,081,171/186,321.06
  6. Step 6: Final answer
    x = 204,711.59

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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.