Home / 174,111.34-261,190.24-68,905.70

Finding the Fourth Proportional to 174,111.34, 261,190.24 and 68,905.70

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Solution

The fourth proportional to 174,111.34, 261,190.24 and 68,905.70 is: 103,367.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,111.34 : 261,190.24 = 68,905.70 : x
  2. Step 2: Convert to fraction form
    174,111.34/261,190.24 = 68,905.70/x
  3. Step 3: Cross multiply
    174,111.34x = 261,190.24 × 68,905.70
  4. Step 4: Simplify right side
    174,111.34x = 17,997,496,320.37
  5. Step 5: Solve for x
    x = 17,997,496,320.37/174,111.34
  6. Step 6: Final answer
    x = 103,367.74

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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.