Home / 349,867.60-525,190.20-192,403.60

Finding the Fourth Proportional to 349,867.60, 525,190.20 and 192,403.60

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Solution

The fourth proportional to 349,867.60, 525,190.20 and 192,403.60 is: 288,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,867.60 : 525,190.20 = 192,403.60 : x
  2. Step 2: Convert to fraction form
    349,867.60/525,190.20 = 192,403.60/x
  3. Step 3: Cross multiply
    349,867.60x = 525,190.20 × 192,403.60
  4. Step 4: Simplify right side
    349,867.60x = 101,048,485,164.72
  5. Step 5: Solve for x
    x = 101,048,485,164.72/349,867.60
  6. Step 6: Final answer
    x = 288,819.21

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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.