Home / 185,791.37-256,498.31-122,313.69

Finding the Fourth Proportional to 185,791.37, 256,498.31 and 122,313.69

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Solution

The fourth proportional to 185,791.37, 256,498.31 and 122,313.69 is: 168,862.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,791.37 : 256,498.31 = 122,313.69 : x
  2. Step 2: Convert to fraction form
    185,791.37/256,498.31 = 122,313.69/x
  3. Step 3: Cross multiply
    185,791.37x = 256,498.31 × 122,313.69
  4. Step 4: Simplify right side
    185,791.37x = 31,373,255,080.65
  5. Step 5: Solve for x
    x = 31,373,255,080.65/185,791.37
  6. Step 6: Final answer
    x = 168,862.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.