Home / 130,811.10-196,231.05-47,723.10

Finding the Fourth Proportional to 130,811.10, 196,231.05 and 47,723.10

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Solution

The fourth proportional to 130,811.10, 196,231.05 and 47,723.10 is: 71,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,811.10 : 196,231.05 = 47,723.10 : x
  2. Step 2: Convert to fraction form
    130,811.10/196,231.05 = 47,723.10/x
  3. Step 3: Cross multiply
    130,811.10x = 196,231.05 × 47,723.10
  4. Step 4: Simplify right side
    130,811.10x = 9,364,754,022.26
  5. Step 5: Solve for x
    x = 9,364,754,022.26/130,811.10
  6. Step 6: Final answer
    x = 71,589.90

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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.