Home / 148,279.60-204,625.49-80,296.59

Finding the Fourth Proportional to 148,279.60, 204,625.49 and 80,296.59

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Solution

The fourth proportional to 148,279.60, 204,625.49 and 80,296.59 is: 110,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,279.60 : 204,625.49 = 80,296.59 : x
  2. Step 2: Convert to fraction form
    148,279.60/204,625.49 = 80,296.59/x
  3. Step 3: Cross multiply
    148,279.60x = 204,625.49 × 80,296.59
  4. Step 4: Simplify right side
    148,279.60x = 16,430,729,074.08
  5. Step 5: Solve for x
    x = 16,430,729,074.08/148,279.60
  6. Step 6: Final answer
    x = 110,809.10

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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.