Home / 140,793.45-194,293.95-76,261.23

Finding the Fourth Proportional to 140,793.45, 194,293.95 and 76,261.23

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Solution

The fourth proportional to 140,793.45, 194,293.95 and 76,261.23 is: 105,239.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,793.45 : 194,293.95 = 76,261.23 : x
  2. Step 2: Convert to fraction form
    140,793.45/194,293.95 = 76,261.23/x
  3. Step 3: Cross multiply
    140,793.45x = 194,293.95 × 76,261.23
  4. Step 4: Simplify right side
    140,793.45x = 14,817,095,608.56
  5. Step 5: Solve for x
    x = 14,817,095,608.56/140,793.45
  6. Step 6: Final answer
    x = 105,239.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.