Home / 190,568.27-262,983.50-117,956.70

Finding the Fourth Proportional to 190,568.27, 262,983.50 and 117,956.70

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Solution

The fourth proportional to 190,568.27, 262,983.50 and 117,956.70 is: 162,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,568.27 : 262,983.50 = 117,956.70 : x
  2. Step 2: Convert to fraction form
    190,568.27/262,983.50 = 117,956.70/x
  3. Step 3: Cross multiply
    190,568.27x = 262,983.50 × 117,956.70
  4. Step 4: Simplify right side
    190,568.27x = 31,020,665,814.45
  5. Step 5: Solve for x
    x = 31,020,665,814.45/190,568.27
  6. Step 6: Final answer
    x = 162,779.80

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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.