Home / 147,096.96-220,647.87-71,151.36

Finding the Fourth Proportional to 147,096.96, 220,647.87 and 71,151.36

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Solution

The fourth proportional to 147,096.96, 220,647.87 and 71,151.36 is: 106,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,096.96 : 220,647.87 = 71,151.36 : x
  2. Step 2: Convert to fraction form
    147,096.96/220,647.87 = 71,151.36/x
  3. Step 3: Cross multiply
    147,096.96x = 220,647.87 × 71,151.36
  4. Step 4: Simplify right side
    147,096.96x = 15,699,396,031.60
  5. Step 5: Solve for x
    x = 15,699,396,031.60/147,096.96
  6. Step 6: Final answer
    x = 106,728.22

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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.