Home / 174,111.33-261,190.23-68,905.70

Finding the Fourth Proportional to 174,111.33, 261,190.23 and 68,905.70

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Solution

The fourth proportional to 174,111.33, 261,190.23 and 68,905.70 is: 103,367.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,111.33 : 261,190.23 = 68,905.70 : x
  2. Step 2: Convert to fraction form
    174,111.33/261,190.23 = 68,905.70/x
  3. Step 3: Cross multiply
    174,111.33x = 261,190.23 × 68,905.70
  4. Step 4: Simplify right side
    174,111.33x = 17,997,495,631.31
  5. Step 5: Solve for x
    x = 17,997,495,631.31/174,111.33
  6. Step 6: Final answer
    x = 103,367.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.