Home / 187,039.75-257,571.22-162,499.22

Finding the Fourth Proportional to 187,039.75, 257,571.22 and 162,499.22

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Solution

The fourth proportional to 187,039.75, 257,571.22 and 162,499.22 is: 223,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,039.75 : 257,571.22 = 162,499.22 : x
  2. Step 2: Convert to fraction form
    187,039.75/257,571.22 = 162,499.22/x
  3. Step 3: Cross multiply
    187,039.75x = 257,571.22 × 162,499.22
  4. Step 4: Simplify right side
    187,039.75x = 41,855,120,244.10
  5. Step 5: Solve for x
    x = 41,855,120,244.10/187,039.75
  6. Step 6: Final answer
    x = 223,776.60

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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.