Home / 190,652.13-263,099.14-105,769.19

Finding the Fourth Proportional to 190,652.13, 263,099.14 and 105,769.19

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Solution

The fourth proportional to 190,652.13, 263,099.14 and 105,769.19 is: 145,961.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,652.13 : 263,099.14 = 105,769.19 : x
  2. Step 2: Convert to fraction form
    190,652.13/263,099.14 = 105,769.19/x
  3. Step 3: Cross multiply
    190,652.13x = 263,099.14 × 105,769.19
  4. Step 4: Simplify right side
    190,652.13x = 27,827,783,320.82
  5. Step 5: Solve for x
    x = 27,827,783,320.82/190,652.13
  6. Step 6: Final answer
    x = 145,961.04

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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.