Home / 190,669.27-263,123.63-105,786.13

Finding the Fourth Proportional to 190,669.27, 263,123.63 and 105,786.13

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Solution

The fourth proportional to 190,669.27, 263,123.63 and 105,786.13 is: 145,984.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,669.27 : 263,123.63 = 105,786.13 : x
  2. Step 2: Convert to fraction form
    190,669.27/263,123.63 = 105,786.13/x
  3. Step 3: Cross multiply
    190,669.27x = 263,123.63 × 105,786.13
  4. Step 4: Simplify right side
    190,669.27x = 27,834,830,529.25
  5. Step 5: Solve for x
    x = 27,834,830,529.25/190,669.27
  6. Step 6: Final answer
    x = 145,984.88

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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.