Home / 129,668.04-178,929-95,695.02

Finding the Fourth Proportional to 129,668.04, 178,929 and 95,695.02

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Solution

The fourth proportional to 129,668.04, 178,929 and 95,695.02 is: 132,049.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,668.04 : 178,929 = 95,695.02 : x
  2. Step 2: Convert to fraction form
    129,668.04/178,929 = 95,695.02/x
  3. Step 3: Cross multiply
    129,668.04x = 178,929 × 95,695.02
  4. Step 4: Simplify right side
    129,668.04x = 17,122,614,233.58
  5. Step 5: Solve for x
    x = 17,122,614,233.58/129,668.04
  6. Step 6: Final answer
    x = 132,049.61

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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.