Home / 129,848.54-194,763.08-45,609.45

Finding the Fourth Proportional to 129,848.54, 194,763.08 and 45,609.45

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Solution

The fourth proportional to 129,848.54, 194,763.08 and 45,609.45 is: 68,410.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,848.54 : 194,763.08 = 45,609.45 : x
  2. Step 2: Convert to fraction form
    129,848.54/194,763.08 = 45,609.45/x
  3. Step 3: Cross multiply
    129,848.54x = 194,763.08 × 45,609.45
  4. Step 4: Simplify right side
    129,848.54x = 8,883,037,986.08
  5. Step 5: Solve for x
    x = 8,883,037,986.08/129,848.54
  6. Step 6: Final answer
    x = 68,410.76

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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.