Home / 129,406.51-194,108.64-35,912.26

Finding the Fourth Proportional to 129,406.51, 194,108.64 and 35,912.26

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Solution

The fourth proportional to 129,406.51, 194,108.64 and 35,912.26 is: 53,868.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,406.51 : 194,108.64 = 35,912.26 : x
  2. Step 2: Convert to fraction form
    129,406.51/194,108.64 = 35,912.26/x
  3. Step 3: Cross multiply
    129,406.51x = 194,108.64 × 35,912.26
  4. Step 4: Simplify right side
    129,406.51x = 6,970,879,947.93
  5. Step 5: Solve for x
    x = 6,970,879,947.93/129,406.51
  6. Step 6: Final answer
    x = 53,868.08

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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.