Home / 130,743.28-196,134.36-60,629.68

Finding the Fourth Proportional to 130,743.28, 196,134.36 and 60,629.68

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Solution

The fourth proportional to 130,743.28, 196,134.36 and 60,629.68 is: 90,953.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,743.28 : 196,134.36 = 60,629.68 : x
  2. Step 2: Convert to fraction form
    130,743.28/196,134.36 = 60,629.68/x
  3. Step 3: Cross multiply
    130,743.28x = 196,134.36 × 60,629.68
  4. Step 4: Simplify right side
    130,743.28x = 11,891,563,483.80
  5. Step 5: Solve for x
    x = 11,891,563,483.80/130,743.28
  6. Step 6: Final answer
    x = 90,953.53

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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.