Home / 194,616.20-291,924.30-185,430.80

Finding the Fourth Proportional to 194,616.20, 291,924.30 and 185,430.80

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Solution

The fourth proportional to 194,616.20, 291,924.30 and 185,430.80 is: 278,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,616.20 : 291,924.30 = 185,430.80 : x
  2. Step 2: Convert to fraction form
    194,616.20/291,924.30 = 185,430.80/x
  3. Step 3: Cross multiply
    194,616.20x = 291,924.30 × 185,430.80
  4. Step 4: Simplify right side
    194,616.20x = 54,131,756,488.44
  5. Step 5: Solve for x
    x = 54,131,756,488.44/194,616.20
  6. Step 6: Final answer
    x = 278,146.20

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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.