Home / 394,718.81-592,151.26-124,914.86

Finding the Fourth Proportional to 394,718.81, 592,151.26 and 124,914.86

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Solution

The fourth proportional to 394,718.81, 592,151.26 and 124,914.86 is: 187,395.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,718.81 : 592,151.26 = 124,914.86 : x
  2. Step 2: Convert to fraction form
    394,718.81/592,151.26 = 124,914.86/x
  3. Step 3: Cross multiply
    394,718.81x = 592,151.26 × 124,914.86
  4. Step 4: Simplify right side
    394,718.81x = 73,968,488,468.68
  5. Step 5: Solve for x
    x = 73,968,488,468.68/394,718.81
  6. Step 6: Final answer
    x = 187,395.40

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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.