Home / 150,792.96-208,078.56-87,151.20

Finding the Fourth Proportional to 150,792.96, 208,078.56 and 87,151.20

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Solution

The fourth proportional to 150,792.96, 208,078.56 and 87,151.20 is: 120,259.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,792.96 : 208,078.56 = 87,151.20 : x
  2. Step 2: Convert to fraction form
    150,792.96/208,078.56 = 87,151.20/x
  3. Step 3: Cross multiply
    150,792.96x = 208,078.56 × 87,151.20
  4. Step 4: Simplify right side
    150,792.96x = 18,134,296,198.27
  5. Step 5: Solve for x
    x = 18,134,296,198.27/150,792.96
  6. Step 6: Final answer
    x = 120,259.57

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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.