Home / 129,962.80-194,512.20-94,322.80

Finding the Fourth Proportional to 129,962.80, 194,512.20 and 94,322.80

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Solution

The fourth proportional to 129,962.80, 194,512.20 and 94,322.80 is: 141,170.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,962.80 : 194,512.20 = 94,322.80 : x
  2. Step 2: Convert to fraction form
    129,962.80/194,512.20 = 94,322.80/x
  3. Step 3: Cross multiply
    129,962.80x = 194,512.20 × 94,322.80
  4. Step 4: Simplify right side
    129,962.80x = 18,346,935,338.16
  5. Step 5: Solve for x
    x = 18,346,935,338.16/129,962.80
  6. Step 6: Final answer
    x = 141,170.67

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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.