Home / 190,696.06-286,034.81-70,776.37

Finding the Fourth Proportional to 190,696.06, 286,034.81 and 70,776.37

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Solution

The fourth proportional to 190,696.06, 286,034.81 and 70,776.37 is: 106,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,696.06 : 286,034.81 = 70,776.37 : x
  2. Step 2: Convert to fraction form
    190,696.06/286,034.81 = 70,776.37/x
  3. Step 3: Cross multiply
    190,696.06x = 286,034.81 × 70,776.37
  4. Step 4: Simplify right side
    190,696.06x = 20,244,503,761.38
  5. Step 5: Solve for x
    x = 20,244,503,761.38/190,696.06
  6. Step 6: Final answer
    x = 106,161.10

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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.