Home / 612,825.08-919,385.22-192,100.95

Finding the Fourth Proportional to 612,825.08, 919,385.22 and 192,100.95

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Solution

The fourth proportional to 612,825.08, 919,385.22 and 192,100.95 is: 288,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,825.08 : 919,385.22 = 192,100.95 : x
  2. Step 2: Convert to fraction form
    612,825.08/919,385.22 = 192,100.95/x
  3. Step 3: Cross multiply
    612,825.08x = 919,385.22 × 192,100.95
  4. Step 4: Simplify right side
    612,825.08x = 176,614,774,177.96
  5. Step 5: Solve for x
    x = 176,614,774,177.96/612,825.08
  6. Step 6: Final answer
    x = 288,197.70

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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.