Home / 130,995.24-196,327.74-71,021.48

Finding the Fourth Proportional to 130,995.24, 196,327.74 and 71,021.48

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Solution

The fourth proportional to 130,995.24, 196,327.74 and 71,021.48 is: 106,442.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,995.24 : 196,327.74 = 71,021.48 : x
  2. Step 2: Convert to fraction form
    130,995.24/196,327.74 = 71,021.48/x
  3. Step 3: Cross multiply
    130,995.24x = 196,327.74 × 71,021.48
  4. Step 4: Simplify right side
    130,995.24x = 13,943,486,659.86
  5. Step 5: Solve for x
    x = 13,943,486,659.86/130,995.24
  6. Step 6: Final answer
    x = 106,442.70

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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.