Home / 96,186.15-144,286.48-28,712.86

Finding the Fourth Proportional to 96,186.15, 144,286.48 and 28,712.86

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Solution

The fourth proportional to 96,186.15, 144,286.48 and 28,712.86 is: 43,071.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,186.15 : 144,286.48 = 28,712.86 : x
  2. Step 2: Convert to fraction form
    96,186.15/144,286.48 = 28,712.86/x
  3. Step 3: Cross multiply
    96,186.15x = 144,286.48 × 28,712.86
  4. Step 4: Simplify right side
    96,186.15x = 4,142,877,067.63
  5. Step 5: Solve for x
    x = 4,142,877,067.63/96,186.15
  6. Step 6: Final answer
    x = 43,071.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.