Home / 129,898.06-194,850.04-103,262.45

Finding the Fourth Proportional to 129,898.06, 194,850.04 and 103,262.45

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Solution

The fourth proportional to 129,898.06, 194,850.04 and 103,262.45 is: 154,896.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,898.06 : 194,850.04 = 103,262.45 : x
  2. Step 2: Convert to fraction form
    129,898.06/194,850.04 = 103,262.45/x
  3. Step 3: Cross multiply
    129,898.06x = 194,850.04 × 103,262.45
  4. Step 4: Simplify right side
    129,898.06x = 20,120,692,513.00
  5. Step 5: Solve for x
    x = 20,120,692,513.00/129,898.06
  6. Step 6: Final answer
    x = 154,896.02

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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.