Home / 147,172.26-220,791.19-53,678.01

Finding the Fourth Proportional to 147,172.26, 220,791.19 and 53,678.01

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Solution

The fourth proportional to 147,172.26, 220,791.19 and 53,678.01 is: 80,528.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,172.26 : 220,791.19 = 53,678.01 : x
  2. Step 2: Convert to fraction form
    147,172.26/220,791.19 = 53,678.01/x
  3. Step 3: Cross multiply
    147,172.26x = 220,791.19 × 53,678.01
  4. Step 4: Simplify right side
    147,172.26x = 11,851,630,466.58
  5. Step 5: Solve for x
    x = 11,851,630,466.58/147,172.26
  6. Step 6: Final answer
    x = 80,528.97

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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.