Home / 539,968.38-809,941.93-161,145.80

Finding the Fourth Proportional to 539,968.38, 809,941.93 and 161,145.80

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Solution

The fourth proportional to 539,968.38, 809,941.93 and 161,145.80 is: 241,715.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,968.38 : 809,941.93 = 161,145.80 : x
  2. Step 2: Convert to fraction form
    539,968.38/809,941.93 = 161,145.80/x
  3. Step 3: Cross multiply
    539,968.38x = 809,941.93 × 161,145.80
  4. Step 4: Simplify right side
    539,968.38x = 130,518,744,310.47
  5. Step 5: Solve for x
    x = 130,518,744,310.47/539,968.38
  6. Step 6: Final answer
    x = 241,715.53

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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.