Home / 174,310.70-261,638.85-85,664.30

Finding the Fourth Proportional to 174,310.70, 261,638.85 and 85,664.30

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Solution

The fourth proportional to 174,310.70, 261,638.85 and 85,664.30 is: 128,581.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,310.70 : 261,638.85 = 85,664.30 : x
  2. Step 2: Convert to fraction form
    174,310.70/261,638.85 = 85,664.30/x
  3. Step 3: Cross multiply
    174,310.70x = 261,638.85 × 85,664.30
  4. Step 4: Simplify right side
    174,310.70x = 22,413,108,938.06
  5. Step 5: Solve for x
    x = 22,413,108,938.06/174,310.70
  6. Step 6: Final answer
    x = 128,581.37

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1.5x scale

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.