Home / 119,170.50-164,452.98-65,454.27

Finding the Fourth Proportional to 119,170.50, 164,452.98 and 65,454.27

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Solution

The fourth proportional to 119,170.50, 164,452.98 and 65,454.27 is: 90,325.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,170.50 : 164,452.98 = 65,454.27 : x
  2. Step 2: Convert to fraction form
    119,170.50/164,452.98 = 65,454.27/x
  3. Step 3: Cross multiply
    119,170.50x = 164,452.98 × 65,454.27
  4. Step 4: Simplify right side
    119,170.50x = 10,764,149,755.22
  5. Step 5: Solve for x
    x = 10,764,149,755.22/119,170.50
  6. Step 6: Final answer
    x = 90,325.62

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1.5x scale

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.