Home / 106,146.63-159,194.43-31,246.43

Finding the Fourth Proportional to 106,146.63, 159,194.43 and 31,246.43

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Solution

The fourth proportional to 106,146.63, 159,194.43 and 31,246.43 is: 46,862.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,146.63 : 159,194.43 = 31,246.43 : x
  2. Step 2: Convert to fraction form
    106,146.63/159,194.43 = 31,246.43/x
  3. Step 3: Cross multiply
    106,146.63x = 159,194.43 × 31,246.43
  4. Step 4: Simplify right side
    106,146.63x = 4,974,256,817.41
  5. Step 5: Solve for x
    x = 4,974,256,817.41/106,146.63
  6. Step 6: Final answer
    x = 46,862.13

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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.