Home / 190,696.97-286,062.12-70,755.27

Finding the Fourth Proportional to 190,696.97, 286,062.12 and 70,755.27

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Solution

The fourth proportional to 190,696.97, 286,062.12 and 70,755.27 is: 106,139.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,696.97 : 286,062.12 = 70,755.27 : x
  2. Step 2: Convert to fraction form
    190,696.97/286,062.12 = 70,755.27/x
  3. Step 3: Cross multiply
    190,696.97x = 286,062.12 × 70,755.27
  4. Step 4: Simplify right side
    190,696.97x = 20,240,402,537.37
  5. Step 5: Solve for x
    x = 20,240,402,537.37/190,696.97
  6. Step 6: Final answer
    x = 106,139.09

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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.