Home / 130,022.20-194,925.30-55,199.80

Finding the Fourth Proportional to 130,022.20, 194,925.30 and 55,199.80

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Solution

The fourth proportional to 130,022.20, 194,925.30 and 55,199.80 is: 82,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,022.20 : 194,925.30 = 55,199.80 : x
  2. Step 2: Convert to fraction form
    130,022.20/194,925.30 = 55,199.80/x
  3. Step 3: Cross multiply
    130,022.20x = 194,925.30 × 55,199.80
  4. Step 4: Simplify right side
    130,022.20x = 10,759,837,574.94
  5. Step 5: Solve for x
    x = 10,759,837,574.94/130,022.20
  6. Step 6: Final answer
    x = 82,753.85

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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.