Home / 130,816.75-196,254.38-47,710.75

Finding the Fourth Proportional to 130,816.75, 196,254.38 and 47,710.75

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Solution

The fourth proportional to 130,816.75, 196,254.38 and 47,710.75 is: 71,576.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,816.75 : 196,254.38 = 47,710.75 : x
  2. Step 2: Convert to fraction form
    130,816.75/196,254.38 = 47,710.75/x
  3. Step 3: Cross multiply
    130,816.75x = 196,254.38 × 47,710.75
  4. Step 4: Simplify right side
    130,816.75x = 9,363,443,660.59
  5. Step 5: Solve for x
    x = 9,363,443,660.59/130,816.75
  6. Step 6: Final answer
    x = 71,576.79

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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.