Home / 186,606.44-279,715.26-81,397.16

Finding the Fourth Proportional to 186,606.44, 279,715.26 and 81,397.16

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Solution

The fourth proportional to 186,606.44, 279,715.26 and 81,397.16 is: 122,010.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,606.44 : 279,715.26 = 81,397.16 : x
  2. Step 2: Convert to fraction form
    186,606.44/279,715.26 = 81,397.16/x
  3. Step 3: Cross multiply
    186,606.44x = 279,715.26 × 81,397.16
  4. Step 4: Simplify right side
    186,606.44x = 22,768,027,772.66
  5. Step 5: Solve for x
    x = 22,768,027,772.66/186,606.44
  6. Step 6: Final answer
    x = 122,010.94

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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.