Home / 144,800.20-217,221.90-51,298.60

Finding the Fourth Proportional to 144,800.20, 217,221.90 and 51,298.60

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Solution

The fourth proportional to 144,800.20, 217,221.90 and 51,298.60 is: 76,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,800.20 : 217,221.90 = 51,298.60 : x
  2. Step 2: Convert to fraction form
    144,800.20/217,221.90 = 51,298.60/x
  3. Step 3: Cross multiply
    144,800.20x = 217,221.90 × 51,298.60
  4. Step 4: Simplify right side
    144,800.20x = 11,143,179,359.34
  5. Step 5: Solve for x
    x = 11,143,179,359.34/144,800.20
  6. Step 6: Final answer
    x = 76,955.55

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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.