Home / 194,142.20-291,213.30-185,673.65

Finding the Fourth Proportional to 194,142.20, 291,213.30 and 185,673.65

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Solution

The fourth proportional to 194,142.20, 291,213.30 and 185,673.65 is: 278,510.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,142.20 : 291,213.30 = 185,673.65 : x
  2. Step 2: Convert to fraction form
    194,142.20/291,213.30 = 185,673.65/x
  3. Step 3: Cross multiply
    194,142.20x = 291,213.30 × 185,673.65
  4. Step 4: Simplify right side
    194,142.20x = 54,070,636,339.55
  5. Step 5: Solve for x
    x = 54,070,636,339.55/194,142.20
  6. Step 6: Final answer
    x = 278,510.48

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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.