Home / 170,743.87-256,143.58-64,136.13

Finding the Fourth Proportional to 170,743.87, 256,143.58 and 64,136.13

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Solution

The fourth proportional to 170,743.87, 256,143.58 and 64,136.13 is: 96,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,743.87 : 256,143.58 = 64,136.13 : x
  2. Step 2: Convert to fraction form
    170,743.87/256,143.58 = 64,136.13/x
  3. Step 3: Cross multiply
    170,743.87x = 256,143.58 × 64,136.13
  4. Step 4: Simplify right side
    170,743.87x = 16,428,057,945.55
  5. Step 5: Solve for x
    x = 16,428,057,945.55/170,743.87
  6. Step 6: Final answer
    x = 96,214.63

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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.