Home / 144,788.70-217,204.65-51,287.10

Finding the Fourth Proportional to 144,788.70, 217,204.65 and 51,287.10

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Solution

The fourth proportional to 144,788.70, 217,204.65 and 51,287.10 is: 76,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,788.70 : 217,204.65 = 51,287.10 : x
  2. Step 2: Convert to fraction form
    144,788.70/217,204.65 = 51,287.10/x
  3. Step 3: Cross multiply
    144,788.70x = 217,204.65 × 51,287.10
  4. Step 4: Simplify right side
    144,788.70x = 11,139,796,605.02
  5. Step 5: Solve for x
    x = 11,139,796,605.02/144,788.70
  6. Step 6: Final answer
    x = 76,938.30

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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.