Home / 119,055.72-178,584.60-30,309.24

Finding the Fourth Proportional to 119,055.72, 178,584.60 and 30,309.24

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Solution

The fourth proportional to 119,055.72, 178,584.60 and 30,309.24 is: 45,464.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,055.72 : 178,584.60 = 30,309.24 : x
  2. Step 2: Convert to fraction form
    119,055.72/178,584.60 = 30,309.24/x
  3. Step 3: Cross multiply
    119,055.72x = 178,584.60 × 30,309.24
  4. Step 4: Simplify right side
    119,055.72x = 5,412,763,501.70
  5. Step 5: Solve for x
    x = 5,412,763,501.70/119,055.72
  6. Step 6: Final answer
    x = 45,464.12

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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.