Home / 165,844.16-228,897.61-115,514

Finding the Fourth Proportional to 165,844.16, 228,897.61 and 115,514

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Solution

The fourth proportional to 165,844.16, 228,897.61 and 115,514 is: 159,432.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,844.16 : 228,897.61 = 115,514 : x
  2. Step 2: Convert to fraction form
    165,844.16/228,897.61 = 115,514/x
  3. Step 3: Cross multiply
    165,844.16x = 228,897.61 × 115,514
  4. Step 4: Simplify right side
    165,844.16x = 26,440,878,521.54
  5. Step 5: Solve for x
    x = 26,440,878,521.54/165,844.16
  6. Step 6: Final answer
    x = 159,432.07

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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.