Home / 349,849.60-525,163.20-192,385.60

Finding the Fourth Proportional to 349,849.60, 525,163.20 and 192,385.60

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Solution

The fourth proportional to 349,849.60, 525,163.20 and 192,385.60 is: 288,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,849.60 : 525,163.20 = 192,385.60 : x
  2. Step 2: Convert to fraction form
    349,849.60/525,163.20 = 192,385.60/x
  3. Step 3: Cross multiply
    349,849.60x = 525,163.20 × 192,385.60
  4. Step 4: Simplify right side
    349,849.60x = 101,033,837,329.92
  5. Step 5: Solve for x
    x = 101,033,837,329.92/349,849.60
  6. Step 6: Final answer
    x = 288,792.20

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1.5x scale

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.