Home / 190,606.41-263,034.95-105,721.29

Finding the Fourth Proportional to 190,606.41, 263,034.95 and 105,721.29

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Solution

The fourth proportional to 190,606.41, 263,034.95 and 105,721.29 is: 145,894.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,606.41 : 263,034.95 = 105,721.29 : x
  2. Step 2: Convert to fraction form
    190,606.41/263,034.95 = 105,721.29/x
  3. Step 3: Cross multiply
    190,606.41x = 263,034.95 × 105,721.29
  4. Step 4: Simplify right side
    190,606.41x = 27,808,393,700.48
  5. Step 5: Solve for x
    x = 27,808,393,700.48/190,606.41
  6. Step 6: Final answer
    x = 145,894.33

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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.