Home / 108,580.93-162,647.21-80,532.65

Finding the Fourth Proportional to 108,580.93, 162,647.21 and 80,532.65

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Solution

The fourth proportional to 108,580.93, 162,647.21 and 80,532.65 is: 120,632.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,580.93 : 162,647.21 = 80,532.65 : x
  2. Step 2: Convert to fraction form
    108,580.93/162,647.21 = 80,532.65/x
  3. Step 3: Cross multiply
    108,580.93x = 162,647.21 × 80,532.65
  4. Step 4: Simplify right side
    108,580.93x = 13,098,411,444.36
  5. Step 5: Solve for x
    x = 13,098,411,444.36/108,580.93
  6. Step 6: Final answer
    x = 120,632.71

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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.