Home / 140,801.01-194,309.28-80,381.49

Finding the Fourth Proportional to 140,801.01, 194,309.28 and 80,381.49

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Solution

The fourth proportional to 140,801.01, 194,309.28 and 80,381.49 is: 110,928.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,801.01 : 194,309.28 = 80,381.49 : x
  2. Step 2: Convert to fraction form
    140,801.01/194,309.28 = 80,381.49/x
  3. Step 3: Cross multiply
    140,801.01x = 194,309.28 × 80,381.49
  4. Step 4: Simplify right side
    140,801.01x = 15,618,869,447.23
  5. Step 5: Solve for x
    x = 15,618,869,447.23/140,801.01
  6. Step 6: Final answer
    x = 110,928.67

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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.