Home / 140,733.79-194,193.98-80,300.83

Finding the Fourth Proportional to 140,733.79, 194,193.98 and 80,300.83

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Solution

The fourth proportional to 140,733.79, 194,193.98 and 80,300.83 is: 110,804.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,733.79 : 194,193.98 = 80,300.83 : x
  2. Step 2: Convert to fraction form
    140,733.79/194,193.98 = 80,300.83/x
  3. Step 3: Cross multiply
    140,733.79x = 194,193.98 × 80,300.83
  4. Step 4: Simplify right side
    140,733.79x = 15,593,938,052.19
  5. Step 5: Solve for x
    x = 15,593,938,052.19/140,733.79
  6. Step 6: Final answer
    x = 110,804.50

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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.