Home / 119,157.08-178,735.52-30,410.60

Finding the Fourth Proportional to 119,157.08, 178,735.52 and 30,410.60

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Solution

The fourth proportional to 119,157.08, 178,735.52 and 30,410.60 is: 45,615.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,157.08 : 178,735.52 = 30,410.60 : x
  2. Step 2: Convert to fraction form
    119,157.08/178,735.52 = 30,410.60/x
  3. Step 3: Cross multiply
    119,157.08x = 178,735.52 × 30,410.60
  4. Step 4: Simplify right side
    119,157.08x = 5,435,454,404.51
  5. Step 5: Solve for x
    x = 5,435,454,404.51/119,157.08
  6. Step 6: Final answer
    x = 45,615.87

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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.