Home / 129,433.03-194,206.10-45,253.64

Finding the Fourth Proportional to 129,433.03, 194,206.10 and 45,253.64

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Solution

The fourth proportional to 129,433.03, 194,206.10 and 45,253.64 is: 67,900.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,433.03 : 194,206.10 = 45,253.64 : x
  2. Step 2: Convert to fraction form
    129,433.03/194,206.10 = 45,253.64/x
  3. Step 3: Cross multiply
    129,433.03x = 194,206.10 × 45,253.64
  4. Step 4: Simplify right side
    129,433.03x = 8,788,533,194.45
  5. Step 5: Solve for x
    x = 8,788,533,194.45/129,433.03
  6. Step 6: Final answer
    x = 67,900.24

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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.