Home / 190,296.20-285,881.88-134,265.44

Finding the Fourth Proportional to 190,296.20, 285,881.88 and 134,265.44

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Solution

The fourth proportional to 190,296.20, 285,881.88 and 134,265.44 is: 201,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,296.20 : 285,881.88 = 134,265.44 : x
  2. Step 2: Convert to fraction form
    190,296.20/285,881.88 = 134,265.44/x
  3. Step 3: Cross multiply
    190,296.20x = 285,881.88 × 134,265.44
  4. Step 4: Simplify right side
    190,296.20x = 38,384,056,406.23
  5. Step 5: Solve for x
    x = 38,384,056,406.23/190,296.20
  6. Step 6: Final answer
    x = 201,706.90

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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.