Home / 395,087.41-592,650.15-128,847.43

Finding the Fourth Proportional to 395,087.41, 592,650.15 and 128,847.43

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Solution

The fourth proportional to 395,087.41, 592,650.15 and 128,847.43 is: 193,277.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,087.41 : 592,650.15 = 128,847.43 : x
  2. Step 2: Convert to fraction form
    395,087.41/592,650.15 = 128,847.43/x
  3. Step 3: Cross multiply
    395,087.41x = 592,650.15 × 128,847.43
  4. Step 4: Simplify right side
    395,087.41x = 76,361,448,716.61
  5. Step 5: Solve for x
    x = 76,361,448,716.61/395,087.41
  6. Step 6: Final answer
    x = 193,277.35

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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.