Home / 191,311.26-263,938.23-119,664.06

Finding the Fourth Proportional to 191,311.26, 263,938.23 and 119,664.06

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Solution

The fourth proportional to 191,311.26, 263,938.23 and 119,664.06 is: 165,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,311.26 : 263,938.23 = 119,664.06 : x
  2. Step 2: Convert to fraction form
    191,311.26/263,938.23 = 119,664.06/x
  3. Step 3: Cross multiply
    191,311.26x = 263,938.23 × 119,664.06
  4. Step 4: Simplify right side
    191,311.26x = 31,583,920,191.01
  5. Step 5: Solve for x
    x = 31,583,920,191.01/191,311.26
  6. Step 6: Final answer
    x = 165,091.80

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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.