Home / 194,664.40-291,996.60-128,179.60

Finding the Fourth Proportional to 194,664.40, 291,996.60 and 128,179.60

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Solution

The fourth proportional to 194,664.40, 291,996.60 and 128,179.60 is: 192,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,664.40 : 291,996.60 = 128,179.60 : x
  2. Step 2: Convert to fraction form
    194,664.40/291,996.60 = 128,179.60/x
  3. Step 3: Cross multiply
    194,664.40x = 291,996.60 × 128,179.60
  4. Step 4: Simplify right side
    194,664.40x = 37,428,007,389.36
  5. Step 5: Solve for x
    x = 37,428,007,389.36/194,664.40
  6. Step 6: Final answer
    x = 192,269.40

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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.