Home / 351,535.82-485,116.70-190,387.13

Finding the Fourth Proportional to 351,535.82, 485,116.70 and 190,387.13

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Solution

The fourth proportional to 351,535.82, 485,116.70 and 190,387.13 is: 262,732.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,535.82 : 485,116.70 = 190,387.13 : x
  2. Step 2: Convert to fraction form
    351,535.82/485,116.70 = 190,387.13/x
  3. Step 3: Cross multiply
    351,535.82x = 485,116.70 × 190,387.13
  4. Step 4: Simplify right side
    351,535.82x = 92,359,972,850.55
  5. Step 5: Solve for x
    x = 92,359,972,850.55/351,535.82
  6. Step 6: Final answer
    x = 262,732.75

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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.