Home / 129,603.44-194,406.08-40,864.10

Finding the Fourth Proportional to 129,603.44, 194,406.08 and 40,864.10

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Solution

The fourth proportional to 129,603.44, 194,406.08 and 40,864.10 is: 61,296.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,603.44 : 194,406.08 = 40,864.10 : x
  2. Step 2: Convert to fraction form
    129,603.44/194,406.08 = 40,864.10/x
  3. Step 3: Cross multiply
    129,603.44x = 194,406.08 × 40,864.10
  4. Step 4: Simplify right side
    129,603.44x = 7,944,228,317.38
  5. Step 5: Solve for x
    x = 7,944,228,317.38/129,603.44
  6. Step 6: Final answer
    x = 61,296.43

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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.