Home / 190,954.92-286,295.94-89,696.40

Finding the Fourth Proportional to 190,954.92, 286,295.94 and 89,696.40

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Solution

The fourth proportional to 190,954.92, 286,295.94 and 89,696.40 is: 134,480.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,954.92 : 286,295.94 = 89,696.40 : x
  2. Step 2: Convert to fraction form
    190,954.92/286,295.94 = 89,696.40/x
  3. Step 3: Cross multiply
    190,954.92x = 286,295.94 × 89,696.40
  4. Step 4: Simplify right side
    190,954.92x = 25,679,715,152.62
  5. Step 5: Solve for x
    x = 25,679,715,152.62/190,954.92
  6. Step 6: Final answer
    x = 134,480.51

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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.