Home / 144,924.67-199,996.05-81,262.47

Finding the Fourth Proportional to 144,924.67, 199,996.05 and 81,262.47

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Solution

The fourth proportional to 144,924.67, 199,996.05 and 81,262.47 is: 112,142.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,924.67 : 199,996.05 = 81,262.47 : x
  2. Step 2: Convert to fraction form
    144,924.67/199,996.05 = 81,262.47/x
  3. Step 3: Cross multiply
    144,924.67x = 199,996.05 × 81,262.47
  4. Step 4: Simplify right side
    144,924.67x = 16,252,173,013.24
  5. Step 5: Solve for x
    x = 16,252,173,013.24/144,924.67
  6. Step 6: Final answer
    x = 112,142.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.