Home / 193,136.25-289,366.56-134,009.49

Finding the Fourth Proportional to 193,136.25, 289,366.56 and 134,009.49

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Solution

The fourth proportional to 193,136.25, 289,366.56 and 134,009.49 is: 200,779.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,136.25 : 289,366.56 = 134,009.49 : x
  2. Step 2: Convert to fraction form
    193,136.25/289,366.56 = 134,009.49/x
  3. Step 3: Cross multiply
    193,136.25x = 289,366.56 × 134,009.49
  4. Step 4: Simplify right side
    193,136.25x = 38,777,865,128.65
  5. Step 5: Solve for x
    x = 38,777,865,128.65/193,136.25
  6. Step 6: Final answer
    x = 200,779.84

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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.