Home / 142,496.24-196,514.52-122,346.68

Finding the Fourth Proportional to 142,496.24, 196,514.52 and 122,346.68

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Solution

The fourth proportional to 142,496.24, 196,514.52 and 122,346.68 is: 168,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,496.24 : 196,514.52 = 122,346.68 : x
  2. Step 2: Convert to fraction form
    142,496.24/196,514.52 = 122,346.68/x
  3. Step 3: Cross multiply
    142,496.24x = 196,514.52 × 122,346.68
  4. Step 4: Simplify right side
    142,496.24x = 24,042,899,093.79
  5. Step 5: Solve for x
    x = 24,042,899,093.79/142,496.24
  6. Step 6: Final answer
    x = 168,726.55

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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.