Home / 130,730.20-195,803.70-113,234.20

Finding the Fourth Proportional to 130,730.20, 195,803.70 and 113,234.20

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Solution

The fourth proportional to 130,730.20, 195,803.70 and 113,234.20 is: 169,598.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,730.20 : 195,803.70 = 113,234.20 : x
  2. Step 2: Convert to fraction form
    130,730.20/195,803.70 = 113,234.20/x
  3. Step 3: Cross multiply
    130,730.20x = 195,803.70 × 113,234.20
  4. Step 4: Simplify right side
    130,730.20x = 22,171,675,326.54
  5. Step 5: Solve for x
    x = 22,171,675,326.54/130,730.20
  6. Step 6: Final answer
    x = 169,598.73

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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.