Home / 297,818.12-411,084.78-190,676.72

Finding the Fourth Proportional to 297,818.12, 411,084.78 and 190,676.72

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Solution

The fourth proportional to 297,818.12, 411,084.78 and 190,676.72 is: 263,195.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,818.12 : 411,084.78 = 190,676.72 : x
  2. Step 2: Convert to fraction form
    297,818.12/411,084.78 = 190,676.72/x
  3. Step 3: Cross multiply
    297,818.12x = 411,084.78 × 190,676.72
  4. Step 4: Simplify right side
    297,818.12x = 78,384,297,492.32
  5. Step 5: Solve for x
    x = 78,384,297,492.32/297,818.12
  6. Step 6: Final answer
    x = 263,195.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.