Home / 130,829.28-196,273.14-47,723.28

Finding the Fourth Proportional to 130,829.28, 196,273.14 and 47,723.28

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Solution

The fourth proportional to 130,829.28, 196,273.14 and 47,723.28 is: 71,595.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,829.28 : 196,273.14 = 47,723.28 : x
  2. Step 2: Convert to fraction form
    130,829.28/196,273.14 = 47,723.28/x
  3. Step 3: Cross multiply
    130,829.28x = 196,273.14 × 47,723.28
  4. Step 4: Simplify right side
    130,829.28x = 9,366,798,016.70
  5. Step 5: Solve for x
    x = 9,366,798,016.70/130,829.28
  6. Step 6: Final answer
    x = 71,595.58

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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.