Home / 130,073.88-195,184.62-51,243.46

Finding the Fourth Proportional to 130,073.88, 195,184.62 and 51,243.46

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Solution

The fourth proportional to 130,073.88, 195,184.62 and 51,243.46 is: 76,894.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,073.88 : 195,184.62 = 51,243.46 : x
  2. Step 2: Convert to fraction form
    130,073.88/195,184.62 = 51,243.46/x
  3. Step 3: Cross multiply
    130,073.88x = 195,184.62 × 51,243.46
  4. Step 4: Simplify right side
    130,073.88x = 10,001,935,544.76
  5. Step 5: Solve for x
    x = 10,001,935,544.76/130,073.88
  6. Step 6: Final answer
    x = 76,894.27

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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.