Home / 207,015.31-310,127.03-173,495.79

Finding the Fourth Proportional to 207,015.31, 310,127.03 and 173,495.79

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Solution

The fourth proportional to 207,015.31, 310,127.03 and 173,495.79 is: 259,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,015.31 : 310,127.03 = 173,495.79 : x
  2. Step 2: Convert to fraction form
    207,015.31/310,127.03 = 173,495.79/x
  3. Step 3: Cross multiply
    207,015.31x = 310,127.03 × 173,495.79
  4. Step 4: Simplify right side
    207,015.31x = 53,805,733,853.33
  5. Step 5: Solve for x
    x = 53,805,733,853.33/207,015.31
  6. Step 6: Final answer
    x = 259,911.86

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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.