Home / 190,607.41-263,036.32-105,722.29

Finding the Fourth Proportional to 190,607.41, 263,036.32 and 105,722.29

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Solution

The fourth proportional to 190,607.41, 263,036.32 and 105,722.29 is: 145,895.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,607.41 : 263,036.32 = 105,722.29 : x
  2. Step 2: Convert to fraction form
    190,607.41/263,036.32 = 105,722.29/x
  3. Step 3: Cross multiply
    190,607.41x = 263,036.32 × 105,722.29
  4. Step 4: Simplify right side
    190,607.41x = 27,808,802,103.57
  5. Step 5: Solve for x
    x = 27,808,802,103.57/190,607.41
  6. Step 6: Final answer
    x = 145,895.70

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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.