Home / 173,884.20-260,999.10-85,237.80

Finding the Fourth Proportional to 173,884.20, 260,999.10 and 85,237.80

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Solution

The fourth proportional to 173,884.20, 260,999.10 and 85,237.80 is: 127,941.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,884.20 : 260,999.10 = 85,237.80 : x
  2. Step 2: Convert to fraction form
    173,884.20/260,999.10 = 85,237.80/x
  3. Step 3: Cross multiply
    173,884.20x = 260,999.10 × 85,237.80
  4. Step 4: Simplify right side
    173,884.20x = 22,246,989,085.98
  5. Step 5: Solve for x
    x = 22,246,989,085.98/173,884.20
  6. Step 6: Final answer
    x = 127,941.41

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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.