Home / 130,910.12-196,435.56-52,025

Finding the Fourth Proportional to 130,910.12, 196,435.56 and 52,025

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Solution

The fourth proportional to 130,910.12, 196,435.56 and 52,025 is: 78,065.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,910.12 : 196,435.56 = 52,025 : x
  2. Step 2: Convert to fraction form
    130,910.12/196,435.56 = 52,025/x
  3. Step 3: Cross multiply
    130,910.12x = 196,435.56 × 52,025
  4. Step 4: Simplify right side
    130,910.12x = 10,219,560,009
  5. Step 5: Solve for x
    x = 10,219,560,009/130,910.12
  6. Step 6: Final answer
    x = 78,065.47

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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.