Home / 119,231.96-178,847.58-30,485.48

Finding the Fourth Proportional to 119,231.96, 178,847.58 and 30,485.48

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Solution

The fourth proportional to 119,231.96, 178,847.58 and 30,485.48 is: 45,728.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,231.96 : 178,847.58 = 30,485.48 : x
  2. Step 2: Convert to fraction form
    119,231.96/178,847.58 = 30,485.48/x
  3. Step 3: Cross multiply
    119,231.96x = 178,847.58 × 30,485.48
  4. Step 4: Simplify right side
    119,231.96x = 5,452,254,323.14
  5. Step 5: Solve for x
    x = 5,452,254,323.14/119,231.96
  6. Step 6: Final answer
    x = 45,728.13

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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.