Home / 481,109.17-721,824.09-161,292.66

Finding the Fourth Proportional to 481,109.17, 721,824.09 and 161,292.66

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Solution

The fourth proportional to 481,109.17, 721,824.09 and 161,292.66 is: 241,992.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,109.17 : 721,824.09 = 161,292.66 : x
  2. Step 2: Convert to fraction form
    481,109.17/721,824.09 = 161,292.66/x
  3. Step 3: Cross multiply
    481,109.17x = 721,824.09 × 161,292.66
  4. Step 4: Simplify right side
    481,109.17x = 116,424,927,528.18
  5. Step 5: Solve for x
    x = 116,424,927,528.18/481,109.17
  6. Step 6: Final answer
    x = 241,992.74

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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.