Home / 329,474.18-494,143.80-92,818.92

Finding the Fourth Proportional to 329,474.18, 494,143.80 and 92,818.92

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Solution

The fourth proportional to 329,474.18, 494,143.80 and 92,818.92 is: 139,209.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,474.18 : 494,143.80 = 92,818.92 : x
  2. Step 2: Convert to fraction form
    329,474.18/494,143.80 = 92,818.92/x
  3. Step 3: Cross multiply
    329,474.18x = 494,143.80 × 92,818.92
  4. Step 4: Simplify right side
    329,474.18x = 45,865,893,840.70
  5. Step 5: Solve for x
    x = 45,865,893,840.70/329,474.18
  6. Step 6: Final answer
    x = 139,209.37

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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.