Home / 612,825.48-919,385.84-192,101.35

Finding the Fourth Proportional to 612,825.48, 919,385.84 and 192,101.35

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Solution

The fourth proportional to 612,825.48, 919,385.84 and 192,101.35 is: 288,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,825.48 : 919,385.84 = 192,101.35 : x
  2. Step 2: Convert to fraction form
    612,825.48/919,385.84 = 192,101.35/x
  3. Step 3: Cross multiply
    612,825.48x = 919,385.84 × 192,101.35
  4. Step 4: Simplify right side
    612,825.48x = 176,615,260,074.38
  5. Step 5: Solve for x
    x = 176,615,260,074.38/612,825.48
  6. Step 6: Final answer
    x = 288,198.30

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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.