Home / 150,301.17-207,419.33-82,321.01

Finding the Fourth Proportional to 150,301.17, 207,419.33 and 82,321.01

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Solution

The fourth proportional to 150,301.17, 207,419.33 and 82,321.01 is: 113,605.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,301.17 : 207,419.33 = 82,321.01 : x
  2. Step 2: Convert to fraction form
    150,301.17/207,419.33 = 82,321.01/x
  3. Step 3: Cross multiply
    150,301.17x = 207,419.33 × 82,321.01
  4. Step 4: Simplify right side
    150,301.17x = 17,074,968,685.65
  5. Step 5: Solve for x
    x = 17,074,968,685.65/150,301.17
  6. Step 6: Final answer
    x = 113,605.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.