Home / 130,139.82-195,207.03-41,393.52

Finding the Fourth Proportional to 130,139.82, 195,207.03 and 41,393.52

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Solution

The fourth proportional to 130,139.82, 195,207.03 and 41,393.52 is: 62,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,139.82 : 195,207.03 = 41,393.52 : x
  2. Step 2: Convert to fraction form
    130,139.82/195,207.03 = 41,393.52/x
  3. Step 3: Cross multiply
    130,139.82x = 195,207.03 × 41,393.52
  4. Step 4: Simplify right side
    130,139.82x = 8,080,306,100.45
  5. Step 5: Solve for x
    x = 8,080,306,100.45/130,139.82
  6. Step 6: Final answer
    x = 62,089.42

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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.