Home / 340,936.20-511,634.70-191,176.20

Finding the Fourth Proportional to 340,936.20, 511,634.70 and 191,176.20

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Solution

The fourth proportional to 340,936.20, 511,634.70 and 191,176.20 is: 286,893.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,936.20 : 511,634.70 = 191,176.20 : x
  2. Step 2: Convert to fraction form
    340,936.20/511,634.70 = 191,176.20/x
  3. Step 3: Cross multiply
    340,936.20x = 511,634.70 × 191,176.20
  4. Step 4: Simplify right side
    340,936.20x = 97,812,377,734.14
  5. Step 5: Solve for x
    x = 97,812,377,734.14/340,936.20
  6. Step 6: Final answer
    x = 286,893.49

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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.