Home / 193,537.30-289,917.15-134,439.70

Finding the Fourth Proportional to 193,537.30, 289,917.15 and 134,439.70

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Solution

The fourth proportional to 193,537.30, 289,917.15 and 134,439.70 is: 201,389.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,537.30 : 289,917.15 = 134,439.70 : x
  2. Step 2: Convert to fraction form
    193,537.30/289,917.15 = 134,439.70/x
  3. Step 3: Cross multiply
    193,537.30x = 289,917.15 × 134,439.70
  4. Step 4: Simplify right side
    193,537.30x = 38,976,374,670.86
  5. Step 5: Solve for x
    x = 38,976,374,670.86/193,537.30
  6. Step 6: Final answer
    x = 201,389.47

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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.