Home / 144,741.21-217,112.31-102,493.51

Finding the Fourth Proportional to 144,741.21, 217,112.31 and 102,493.51

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Solution

The fourth proportional to 144,741.21, 217,112.31 and 102,493.51 is: 153,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,741.21 : 217,112.31 = 102,493.51 : x
  2. Step 2: Convert to fraction form
    144,741.21/217,112.31 = 102,493.51/x
  3. Step 3: Cross multiply
    144,741.21x = 217,112.31 × 102,493.51
  4. Step 4: Simplify right side
    144,741.21x = 22,252,602,173.33
  5. Step 5: Solve for x
    x = 22,252,602,173.33/144,741.21
  6. Step 6: Final answer
    x = 153,740.62

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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.