Home / 144,664.40-216,996.60-51,179.60

Finding the Fourth Proportional to 144,664.40, 216,996.60 and 51,179.60

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Solution

The fourth proportional to 144,664.40, 216,996.60 and 51,179.60 is: 76,769.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,664.40 : 216,996.60 = 51,179.60 : x
  2. Step 2: Convert to fraction form
    144,664.40/216,996.60 = 51,179.60/x
  3. Step 3: Cross multiply
    144,664.40x = 216,996.60 × 51,179.60
  4. Step 4: Simplify right side
    144,664.40x = 11,105,799,189.36
  5. Step 5: Solve for x
    x = 11,105,799,189.36/144,664.40
  6. Step 6: Final answer
    x = 76,769.40

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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.