Home / 136,120.77-204,190.88-36,280.44

Finding the Fourth Proportional to 136,120.77, 204,190.88 and 36,280.44

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Solution

The fourth proportional to 136,120.77, 204,190.88 and 36,280.44 is: 54,423.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,120.77 : 204,190.88 = 36,280.44 : x
  2. Step 2: Convert to fraction form
    136,120.77/204,190.88 = 36,280.44/x
  3. Step 3: Cross multiply
    136,120.77x = 204,190.88 × 36,280.44
  4. Step 4: Simplify right side
    136,120.77x = 7,408,134,788.99
  5. Step 5: Solve for x
    x = 7,408,134,788.99/136,120.77
  6. Step 6: Final answer
    x = 54,423.25

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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.