Home / 129,776.60-194,628.45-41,057.30

Finding the Fourth Proportional to 129,776.60, 194,628.45 and 41,057.30

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Solution

The fourth proportional to 129,776.60, 194,628.45 and 41,057.30 is: 61,574.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,776.60 : 194,628.45 = 41,057.30 : x
  2. Step 2: Convert to fraction form
    129,776.60/194,628.45 = 41,057.30/x
  3. Step 3: Cross multiply
    129,776.60x = 194,628.45 × 41,057.30
  4. Step 4: Simplify right side
    129,776.60x = 7,990,918,660.19
  5. Step 5: Solve for x
    x = 7,990,918,660.19/129,776.60
  6. Step 6: Final answer
    x = 61,574.42

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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.