Home / 144,741.45-217,112.69-102,493.75

Finding the Fourth Proportional to 144,741.45, 217,112.69 and 102,493.75

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Solution

The fourth proportional to 144,741.45, 217,112.69 and 102,493.75 is: 153,740.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,741.45 : 217,112.69 = 102,493.75 : x
  2. Step 2: Convert to fraction form
    144,741.45/217,112.69 = 102,493.75/x
  3. Step 3: Cross multiply
    144,741.45x = 217,112.69 × 102,493.75
  4. Step 4: Simplify right side
    144,741.45x = 22,252,693,770.69
  5. Step 5: Solve for x
    x = 22,252,693,770.69/144,741.45
  6. Step 6: Final answer
    x = 153,740.99

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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.