Home / 105,308.39-157,922.09-82,863.24

Finding the Fourth Proportional to 105,308.39, 157,922.09 and 82,863.24

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Solution

The fourth proportional to 105,308.39, 157,922.09 and 82,863.24 is: 124,263.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,308.39 : 157,922.09 = 82,863.24 : x
  2. Step 2: Convert to fraction form
    105,308.39/157,922.09 = 82,863.24/x
  3. Step 3: Cross multiply
    105,308.39x = 157,922.09 × 82,863.24
  4. Step 4: Simplify right side
    105,308.39x = 13,085,936,044.97
  5. Step 5: Solve for x
    x = 13,085,936,044.97/105,308.39
  6. Step 6: Final answer
    x = 124,263.00

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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.