Home / 118,514.19-177,841.44-43,686.90

Finding the Fourth Proportional to 118,514.19, 177,841.44 and 43,686.90

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Solution

The fourth proportional to 118,514.19, 177,841.44 and 43,686.90 is: 65,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,514.19 : 177,841.44 = 43,686.90 : x
  2. Step 2: Convert to fraction form
    118,514.19/177,841.44 = 43,686.90/x
  3. Step 3: Cross multiply
    118,514.19x = 177,841.44 × 43,686.90
  4. Step 4: Simplify right side
    118,514.19x = 7,769,341,205.14
  5. Step 5: Solve for x
    x = 7,769,341,205.14/118,514.19
  6. Step 6: Final answer
    x = 65,556.21

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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.