Home / 187,039.88-257,571.39-162,499.35

Finding the Fourth Proportional to 187,039.88, 257,571.39 and 162,499.35

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Solution

The fourth proportional to 187,039.88, 257,571.39 and 162,499.35 is: 223,776.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,039.88 : 257,571.39 = 162,499.35 : x
  2. Step 2: Convert to fraction form
    187,039.88/257,571.39 = 162,499.35/x
  3. Step 3: Cross multiply
    187,039.88x = 257,571.39 × 162,499.35
  4. Step 4: Simplify right side
    187,039.88x = 41,855,182,678.40
  5. Step 5: Solve for x
    x = 41,855,182,678.40/187,039.88
  6. Step 6: Final answer
    x = 223,776.78

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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.