Home / 150,629.63-207,868.88-83,561.63

Finding the Fourth Proportional to 150,629.63, 207,868.88 and 83,561.63

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Solution

The fourth proportional to 150,629.63, 207,868.88 and 83,561.63 is: 115,315.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,629.63 : 207,868.88 = 83,561.63 : x
  2. Step 2: Convert to fraction form
    150,629.63/207,868.88 = 83,561.63/x
  3. Step 3: Cross multiply
    150,629.63x = 207,868.88 × 83,561.63
  4. Step 4: Simplify right side
    150,629.63x = 17,369,861,608.63
  5. Step 5: Solve for x
    x = 17,369,861,608.63/150,629.63
  6. Step 6: Final answer
    x = 115,315.04

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1.5x scale

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.