Home / 193,182.48-266,721.26-120,695.72

Finding the Fourth Proportional to 193,182.48, 266,721.26 and 120,695.72

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Solution

The fourth proportional to 193,182.48, 266,721.26 and 120,695.72 is: 166,640.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,182.48 : 266,721.26 = 120,695.72 : x
  2. Step 2: Convert to fraction form
    193,182.48/266,721.26 = 120,695.72/x
  3. Step 3: Cross multiply
    193,182.48x = 266,721.26 × 120,695.72
  4. Step 4: Simplify right side
    193,182.48x = 32,192,112,577.92
  5. Step 5: Solve for x
    x = 32,192,112,577.92/193,182.48
  6. Step 6: Final answer
    x = 166,640.95

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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.