Home / 150,389.60-207,537.69-82,406.02

Finding the Fourth Proportional to 150,389.60, 207,537.69 and 82,406.02

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Solution

The fourth proportional to 150,389.60, 207,537.69 and 82,406.02 is: 113,720.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,389.60 : 207,537.69 = 82,406.02 : x
  2. Step 2: Convert to fraction form
    150,389.60/207,537.69 = 82,406.02/x
  3. Step 3: Cross multiply
    150,389.60x = 207,537.69 × 82,406.02
  4. Step 4: Simplify right side
    150,389.60x = 17,102,355,032.89
  5. Step 5: Solve for x
    x = 17,102,355,032.89/150,389.60
  6. Step 6: Final answer
    x = 113,720.33

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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.