Home / 320,791.07-442,684.77-175,596.68

Finding the Fourth Proportional to 320,791.07, 442,684.77 and 175,596.68

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Solution

The fourth proportional to 320,791.07, 442,684.77 and 175,596.68 is: 242,319.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,791.07 : 442,684.77 = 175,596.68 : x
  2. Step 2: Convert to fraction form
    320,791.07/442,684.77 = 175,596.68/x
  3. Step 3: Cross multiply
    320,791.07x = 442,684.77 × 175,596.68
  4. Step 4: Simplify right side
    320,791.07x = 77,733,975,898.56
  5. Step 5: Solve for x
    x = 77,733,975,898.56/320,791.07
  6. Step 6: Final answer
    x = 242,319.64

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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.