Home / 194,621.60-291,932.40-110,640.80

Finding the Fourth Proportional to 194,621.60, 291,932.40 and 110,640.80

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Solution

The fourth proportional to 194,621.60, 291,932.40 and 110,640.80 is: 165,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,621.60 : 291,932.40 = 110,640.80 : x
  2. Step 2: Convert to fraction form
    194,621.60/291,932.40 = 110,640.80/x
  3. Step 3: Cross multiply
    194,621.60x = 291,932.40 × 110,640.80
  4. Step 4: Simplify right side
    194,621.60x = 32,299,634,281.92
  5. Step 5: Solve for x
    x = 32,299,634,281.92/194,621.60
  6. Step 6: Final answer
    x = 165,961.20

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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.