Home / 137,282.13-205,844.33-73,161.33

Finding the Fourth Proportional to 137,282.13, 205,844.33 and 73,161.33

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Solution

The fourth proportional to 137,282.13, 205,844.33 and 73,161.33 is: 109,699.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,282.13 : 205,844.33 = 73,161.33 : x
  2. Step 2: Convert to fraction form
    137,282.13/205,844.33 = 73,161.33/x
  3. Step 3: Cross multiply
    137,282.13x = 205,844.33 × 73,161.33
  4. Step 4: Simplify right side
    137,282.13x = 15,059,844,955.76
  5. Step 5: Solve for x
    x = 15,059,844,955.76/137,282.13
  6. Step 6: Final answer
    x = 109,699.97

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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.