Home / 165,341.53-248,006.80-71,847.28

Finding the Fourth Proportional to 165,341.53, 248,006.80 and 71,847.28

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Solution

The fourth proportional to 165,341.53, 248,006.80 and 71,847.28 is: 107,768.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,341.53 : 248,006.80 = 71,847.28 : x
  2. Step 2: Convert to fraction form
    165,341.53/248,006.80 = 71,847.28/x
  3. Step 3: Cross multiply
    165,341.53x = 248,006.80 × 71,847.28
  4. Step 4: Simplify right side
    165,341.53x = 17,818,614,001.50
  5. Step 5: Solve for x
    x = 17,818,614,001.50/165,341.53
  6. Step 6: Final answer
    x = 107,768.53

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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.