Home / 184,505.40-276,758.10-128,226.60

Finding the Fourth Proportional to 184,505.40, 276,758.10 and 128,226.60

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Solution

The fourth proportional to 184,505.40, 276,758.10 and 128,226.60 is: 192,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,505.40 : 276,758.10 = 128,226.60 : x
  2. Step 2: Convert to fraction form
    184,505.40/276,758.10 = 128,226.60/x
  3. Step 3: Cross multiply
    184,505.40x = 276,758.10 × 128,226.60
  4. Step 4: Simplify right side
    184,505.40x = 35,487,750,185.46
  5. Step 5: Solve for x
    x = 35,487,750,185.46/184,505.40
  6. Step 6: Final answer
    x = 192,339.90

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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.