Home / 165,943.86-248,888.25-71,189.25

Finding the Fourth Proportional to 165,943.86, 248,888.25 and 71,189.25

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Solution

The fourth proportional to 165,943.86, 248,888.25 and 71,189.25 is: 106,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,943.86 : 248,888.25 = 71,189.25 : x
  2. Step 2: Convert to fraction form
    165,943.86/248,888.25 = 71,189.25/x
  3. Step 3: Cross multiply
    165,943.86x = 248,888.25 × 71,189.25
  4. Step 4: Simplify right side
    165,943.86x = 17,718,167,851.31
  5. Step 5: Solve for x
    x = 17,718,167,851.31/165,943.86
  6. Step 6: Final answer
    x = 106,772.06

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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.