Home / 161,842.05-242,762.67-43,513.38

Finding the Fourth Proportional to 161,842.05, 242,762.67 and 43,513.38

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Solution

The fourth proportional to 161,842.05, 242,762.67 and 43,513.38 is: 65,269.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,842.05 : 242,762.67 = 43,513.38 : x
  2. Step 2: Convert to fraction form
    161,842.05/242,762.67 = 43,513.38/x
  3. Step 3: Cross multiply
    161,842.05x = 242,762.67 × 43,513.38
  4. Step 4: Simplify right side
    161,842.05x = 10,563,424,309.52
  5. Step 5: Solve for x
    x = 10,563,424,309.52/161,842.05
  6. Step 6: Final answer
    x = 65,269.96

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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.