Home / 193,411.20-289,809.60-162,076.80

Finding the Fourth Proportional to 193,411.20, 289,809.60 and 162,076.80

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Solution

The fourth proportional to 193,411.20, 289,809.60 and 162,076.80 is: 242,857.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,411.20 : 289,809.60 = 162,076.80 : x
  2. Step 2: Convert to fraction form
    193,411.20/289,809.60 = 162,076.80/x
  3. Step 3: Cross multiply
    193,411.20x = 289,809.60 × 162,076.80
  4. Step 4: Simplify right side
    193,411.20x = 46,971,412,577.28
  5. Step 5: Solve for x
    x = 46,971,412,577.28/193,411.20
  6. Step 6: Final answer
    x = 242,857.77

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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.