Home / 206,278.44-309,506.57-111,575.30

Finding the Fourth Proportional to 206,278.44, 309,506.57 and 111,575.30

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Solution

The fourth proportional to 206,278.44, 309,506.57 and 111,575.30 is: 167,411.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,278.44 : 309,506.57 = 111,575.30 : x
  2. Step 2: Convert to fraction form
    206,278.44/309,506.57 = 111,575.30/x
  3. Step 3: Cross multiply
    206,278.44x = 309,506.57 × 111,575.30
  4. Step 4: Simplify right side
    206,278.44x = 34,533,287,841.84
  5. Step 5: Solve for x
    x = 34,533,287,841.84/206,278.44
  6. Step 6: Final answer
    x = 167,411.04

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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.