Home / 151,830.10-209,524.26-83,851.66

Finding the Fourth Proportional to 151,830.10, 209,524.26 and 83,851.66

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Solution

The fourth proportional to 151,830.10, 209,524.26 and 83,851.66 is: 115,714.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,830.10 : 209,524.26 = 83,851.66 : x
  2. Step 2: Convert to fraction form
    151,830.10/209,524.26 = 83,851.66/x
  3. Step 3: Cross multiply
    151,830.10x = 209,524.26 × 83,851.66
  4. Step 4: Simplify right side
    151,830.10x = 17,568,957,011.27
  5. Step 5: Solve for x
    x = 17,568,957,011.27/151,830.10
  6. Step 6: Final answer
    x = 115,714.58

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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.