Home / 185,055.08-277,576.64-78,410.54

Finding the Fourth Proportional to 185,055.08, 277,576.64 and 78,410.54

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Solution

The fourth proportional to 185,055.08, 277,576.64 and 78,410.54 is: 117,613.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,055.08 : 277,576.64 = 78,410.54 : x
  2. Step 2: Convert to fraction form
    185,055.08/277,576.64 = 78,410.54/x
  3. Step 3: Cross multiply
    185,055.08x = 277,576.64 × 78,410.54
  4. Step 4: Simplify right side
    185,055.08x = 21,764,934,233.79
  5. Step 5: Solve for x
    x = 21,764,934,233.79/185,055.08
  6. Step 6: Final answer
    x = 117,613.28

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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.