Home / 144,661.20-217,002.60-51,154.80

Finding the Fourth Proportional to 144,661.20, 217,002.60 and 51,154.80

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Solution

The fourth proportional to 144,661.20, 217,002.60 and 51,154.80 is: 76,736.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,661.20 : 217,002.60 = 51,154.80 : x
  2. Step 2: Convert to fraction form
    144,661.20/217,002.60 = 51,154.80/x
  3. Step 3: Cross multiply
    144,661.20x = 217,002.60 × 51,154.80
  4. Step 4: Simplify right side
    144,661.20x = 11,100,724,602.48
  5. Step 5: Solve for x
    x = 11,100,724,602.48/144,661.20
  6. Step 6: Final answer
    x = 76,736.02

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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.