Home / 185,791.24-256,498.14-122,313.57

Finding the Fourth Proportional to 185,791.24, 256,498.14 and 122,313.57

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Solution

The fourth proportional to 185,791.24, 256,498.14 and 122,313.57 is: 168,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,791.24 : 256,498.14 = 122,313.57 : x
  2. Step 2: Convert to fraction form
    185,791.24/256,498.14 = 122,313.57/x
  3. Step 3: Cross multiply
    185,791.24x = 256,498.14 × 122,313.57
  4. Step 4: Simplify right side
    185,791.24x = 31,373,203,201.76
  5. Step 5: Solve for x
    x = 31,373,203,201.76/185,791.24
  6. Step 6: Final answer
    x = 168,862.66

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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.