Home / 255,039.47-382,556.69-95,109.86

Finding the Fourth Proportional to 255,039.47, 382,556.69 and 95,109.86

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Solution

The fourth proportional to 255,039.47, 382,556.69 and 95,109.86 is: 142,663.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,039.47 : 382,556.69 = 95,109.86 : x
  2. Step 2: Convert to fraction form
    255,039.47/382,556.69 = 95,109.86/x
  3. Step 3: Cross multiply
    255,039.47x = 382,556.69 × 95,109.86
  4. Step 4: Simplify right side
    255,039.47x = 36,384,914,065.47
  5. Step 5: Solve for x
    x = 36,384,914,065.47/255,039.47
  6. Step 6: Final answer
    x = 142,663.86

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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.